Add and use System.Linux.time_t for time_t
PR ada/54040 * s-linux-x32.ads: New file. * s-osprim-x32.adb: Likewise. * s-linux.ads (time_t): New type. * s-linux-alpha.ads (time_t): Likewise. * s-linux-hppa.ads (time_t): Likewise. * s-linux-mipsel.ads (time_t): Likewise. * s-linux-sparc.ads (time_t): Likewise. * s-osinte-linux.ads (time_t): Mark it private. Replace long with System.Linux.time_t. (timespec): Replace long with time_t. * s-osinte-posix.adb (To_Timespec): Likewise. * s-taprop-linux.adb (timeval): Replace C.long with System.OS_Interface.time_t. * gcc-interface/Makefile.in (LIBGNAT_TARGET_PAIRS): Replace s-linux.ads with s-linux-x32.ads, s-osprim-posix.adb with s-osprim-x32.adb for x32. From-SVN: r204840
This commit is contained in:
parent
d877729c89
commit
9f13879ee8
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@ -1,3 +1,23 @@
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2013-11-15 H.J. Lu <hongjiu.lu@intel.com>
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PR ada/54040
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* s-linux-x32.ads: New file.
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* s-osprim-x32.adb: Likewise.
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* s-linux.ads (time_t): New type.
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* s-linux-alpha.ads (time_t): Likewise.
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* s-linux-hppa.ads (time_t): Likewise.
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* s-linux-mipsel.ads (time_t): Likewise.
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* s-linux-sparc.ads (time_t): Likewise.
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* s-osinte-linux.ads (time_t): Mark it private. Replace long
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with System.Linux.time_t.
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(timespec): Replace long with time_t.
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* s-osinte-posix.adb (To_Timespec): Likewise.
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* s-taprop-linux.adb (timeval): Replace C.long with
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System.OS_Interface.time_t.
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* gcc-interface/Makefile.in (LIBGNAT_TARGET_PAIRS): Replace
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s-linux.ads with s-linux-x32.ads, s-osprim-posix.adb with
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s-osprim-x32.adb for x32.
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2013-11-14 H.J. Lu <hongjiu.lu@intel.com>
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* gcc-interface/trans.c: Include gimple.h and pointer-set.h.
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@ -2186,11 +2186,11 @@ ifeq ($(strip $(filter-out %x32 linux%,$(target_cpu) $(target_os))),)
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a-synbar.ads<a-synbar-posix.ads \
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s-inmaop.adb<s-inmaop-posix.adb \
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s-intman.adb<s-intman-posix.adb \
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s-linux.ads<s-linux.ads \
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s-linux.ads<s-linux-x32.ads \
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s-mudido.adb<s-mudido-affinity.adb \
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s-osinte.ads<s-osinte-linux.ads \
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s-osinte.adb<s-osinte-posix.adb \
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s-osprim.adb<s-osprim-posix.adb \
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s-osprim.adb<s-osprim-x32.adb \
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s-taprop.adb<s-taprop-linux.adb \
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s-tasinf.ads<s-tasinf-linux.ads \
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s-tasinf.adb<s-tasinf-linux.adb \
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@ -38,6 +38,12 @@
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package System.Linux is
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pragma Preelaborate;
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------------
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-- time_t --
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------------
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type time_t is new Long_Integer;
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-----------
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-- Errno --
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-----------
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@ -38,6 +38,12 @@
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package System.Linux is
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pragma Preelaborate;
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------------
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-- time_t --
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------------
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type time_t is new Long_Integer;
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-----------
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-- Errno --
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-----------
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@ -37,6 +37,12 @@
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package System.Linux is
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pragma Preelaborate;
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------------
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-- time_t --
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------------
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type time_t is new Long_Integer;
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-----------
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-- Errno --
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-----------
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@ -38,6 +38,12 @@
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package System.Linux is
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pragma Preelaborate;
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------------
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-- time_t --
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------------
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type time_t is new Long_Integer;
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-----------
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-- Errno --
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-----------
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@ -0,0 +1,110 @@
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------------------------------------------------------------------------------
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-- --
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-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
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-- --
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-- S Y S T E M . L I N U X --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 2013, Free Software Foundation, Inc. --
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-- --
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-- GNARL is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- --
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------------------------------------------------------------------------------
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-- This is the x32 version of this package
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-- This package encapsulates cpu specific differences between implementations
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-- of GNU/Linux, in order to share s-osinte-linux.ads.
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-- PLEASE DO NOT add any with-clauses to this package or remove the pragma
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-- Preelaborate. This package is designed to be a bottom-level (leaf) package
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package System.Linux is
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pragma Preelaborate;
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------------
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-- time_t --
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------------
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type time_t is new Long_Long_Integer;
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-----------
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-- Errno --
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-----------
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EAGAIN : constant := 11;
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EINTR : constant := 4;
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EINVAL : constant := 22;
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ENOMEM : constant := 12;
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EPERM : constant := 1;
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ETIMEDOUT : constant := 110;
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-------------
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-- Signals --
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-------------
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SIGHUP : constant := 1; -- hangup
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SIGINT : constant := 2; -- interrupt (rubout)
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SIGQUIT : constant := 3; -- quit (ASCD FS)
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SIGILL : constant := 4; -- illegal instruction (not reset)
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SIGTRAP : constant := 5; -- trace trap (not reset)
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SIGIOT : constant := 6; -- IOT instruction
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SIGABRT : constant := 6; -- used by abort, replace SIGIOT in the future
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SIGFPE : constant := 8; -- floating point exception
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SIGKILL : constant := 9; -- kill (cannot be caught or ignored)
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SIGBUS : constant := 7; -- bus error
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SIGSEGV : constant := 11; -- segmentation violation
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SIGPIPE : constant := 13; -- write on a pipe with no one to read it
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SIGALRM : constant := 14; -- alarm clock
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SIGTERM : constant := 15; -- software termination signal from kill
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SIGUSR1 : constant := 10; -- user defined signal 1
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SIGUSR2 : constant := 12; -- user defined signal 2
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SIGCLD : constant := 17; -- alias for SIGCHLD
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SIGCHLD : constant := 17; -- child status change
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SIGPWR : constant := 30; -- power-fail restart
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SIGWINCH : constant := 28; -- window size change
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SIGURG : constant := 23; -- urgent condition on IO channel
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SIGPOLL : constant := 29; -- pollable event occurred
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SIGIO : constant := 29; -- I/O now possible (4.2 BSD)
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SIGLOST : constant := 29; -- File lock lost
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SIGSTOP : constant := 19; -- stop (cannot be caught or ignored)
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SIGTSTP : constant := 20; -- user stop requested from tty
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SIGCONT : constant := 18; -- stopped process has been continued
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SIGTTIN : constant := 21; -- background tty read attempted
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SIGTTOU : constant := 22; -- background tty write attempted
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SIGVTALRM : constant := 26; -- virtual timer expired
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SIGPROF : constant := 27; -- profiling timer expired
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SIGXCPU : constant := 24; -- CPU time limit exceeded
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SIGXFSZ : constant := 25; -- filesize limit exceeded
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SIGUNUSED : constant := 31; -- unused signal (GNU/Linux)
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SIGSTKFLT : constant := 16; -- coprocessor stack fault (Linux)
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SIGLTHRRES : constant := 32; -- GNU/LinuxThreads restart signal
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SIGLTHRCAN : constant := 33; -- GNU/LinuxThreads cancel signal
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SIGLTHRDBG : constant := 34; -- GNU/LinuxThreads debugger signal
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-- struct_sigaction offsets
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sa_handler_pos : constant := 0;
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sa_mask_pos : constant := Standard'Address_Size / 8;
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sa_flags_pos : constant := 128 + sa_mask_pos;
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SA_SIGINFO : constant := 16#04#;
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SA_ONSTACK : constant := 16#08000000#;
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end System.Linux;
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package System.Linux is
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pragma Preelaborate;
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------------
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-- time_t --
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------------
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type time_t is new Long_Integer;
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-----------
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-- Errno --
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-----------
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@ -218,6 +218,7 @@ package System.OS_Interface is
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----------
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type timespec is private;
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type time_t is private;
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function To_Duration (TS : timespec) return Duration;
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pragma Inline (To_Duration);
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type pid_t is new int;
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type time_t is new long;
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type time_t is new System.Linux.time_t;
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type timespec is record
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tv_sec : time_t;
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tv_nsec : long;
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tv_nsec : time_t;
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end record;
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pragma Convention (C, timespec);
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@ -104,7 +104,7 @@ package body System.OS_Interface is
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end if;
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return timespec'(tv_sec => S,
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tv_nsec => long (Long_Long_Integer (F * 10#1#E9)));
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tv_nsec => time_t (Long_Long_Integer (F * 10#1#E9)));
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end To_Timespec;
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end System.OS_Interface;
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@ -0,0 +1,173 @@
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------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
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-- --
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-- S Y S T E M . O S _ P R I M I T I V E S --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 2013, Free Software Foundation, Inc. --
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-- --
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-- GNARL is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNARL was developed by the GNARL team at Florida State University. --
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-- Extensive contributions were provided by Ada Core Technologies, Inc. --
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-- --
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------------------------------------------------------------------------------
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-- This version is for Linux/x32
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package body System.OS_Primitives is
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-- ??? These definitions are duplicated from System.OS_Interface
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-- because we don't want to depend on any package. Consider removing
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-- these declarations in System.OS_Interface and move these ones in
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-- the spec.
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type time_t is new Long_Long_Integer;
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type timespec is record
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tv_sec : time_t;
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tv_nsec : time_t;
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end record;
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pragma Convention (C, timespec);
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function nanosleep (rqtp, rmtp : not null access timespec) return Integer;
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pragma Import (C, nanosleep, "nanosleep");
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-----------
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-- Clock --
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-----------
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function Clock return Duration is
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type timeval is array (1 .. 2) of time_t;
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procedure timeval_to_duration
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(T : not null access timeval;
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sec : not null access Long_Integer;
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usec : not null access Long_Integer);
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pragma Import (C, timeval_to_duration, "__gnat_timeval_to_duration");
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Micro : constant := 10**6;
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sec : aliased Long_Integer;
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usec : aliased Long_Integer;
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TV : aliased timeval;
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Result : Integer;
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pragma Unreferenced (Result);
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function gettimeofday
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(Tv : access timeval;
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Tz : System.Address := System.Null_Address) return Integer;
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pragma Import (C, gettimeofday, "gettimeofday");
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begin
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-- The return codes for gettimeofday are as follows (from man pages):
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-- EPERM settimeofday is called by someone other than the superuser
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-- EINVAL Timezone (or something else) is invalid
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-- EFAULT One of tv or tz pointed outside accessible address space
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-- None of these codes signal a potential clock skew, hence the return
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-- value is never checked.
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Result := gettimeofday (TV'Access, System.Null_Address);
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timeval_to_duration (TV'Access, sec'Access, usec'Access);
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return Duration (sec) + Duration (usec) / Micro;
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end Clock;
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---------------------
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-- Monotonic_Clock --
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---------------------
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function Monotonic_Clock return Duration renames Clock;
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-----------------
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-- To_Timespec --
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-----------------
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function To_Timespec (D : Duration) return timespec;
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function To_Timespec (D : Duration) return timespec is
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S : time_t;
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F : Duration;
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begin
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S := time_t (Long_Long_Integer (D));
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F := D - Duration (S);
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-- If F has negative value due to a round-up, adjust for positive F
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-- value.
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if F < 0.0 then
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S := S - 1;
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F := F + 1.0;
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end if;
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return
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timespec'(tv_sec => S,
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tv_nsec => time_t (Long_Long_Integer (F * 10#1#E9)));
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end To_Timespec;
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-----------------
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-- Timed_Delay --
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-----------------
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procedure Timed_Delay
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(Time : Duration;
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Mode : Integer)
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is
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Request : aliased timespec;
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Remaind : aliased timespec;
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Rel_Time : Duration;
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Abs_Time : Duration;
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Base_Time : constant Duration := Clock;
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Check_Time : Duration := Base_Time;
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Result : Integer;
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pragma Unreferenced (Result);
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begin
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if Mode = Relative then
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Rel_Time := Time;
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Abs_Time := Time + Check_Time;
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else
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Rel_Time := Time - Check_Time;
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Abs_Time := Time;
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end if;
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if Rel_Time > 0.0 then
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loop
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Request := To_Timespec (Rel_Time);
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Result := nanosleep (Request'Access, Remaind'Access);
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Check_Time := Clock;
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exit when Abs_Time <= Check_Time or else Check_Time < Base_Time;
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Rel_Time := Abs_Time - Check_Time;
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end loop;
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end if;
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end Timed_Delay;
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----------------
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-- Initialize --
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----------------
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procedure Initialize is
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begin
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null;
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end Initialize;
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end System.OS_Primitives;
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@ -627,7 +627,7 @@ package body System.Task_Primitives.Operations is
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function Monotonic_Clock return Duration is
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use Interfaces;
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type timeval is array (1 .. 2) of C.long;
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type timeval is array (1 .. 2) of System.OS_Interface.time_t;
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procedure timeval_to_duration
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(T : not null access timeval;
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