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more rigorous SIGCHLD guarding

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From-SVN: r40522
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Bruce Korb 2001-03-16 00:58:40 +00:00 committed by Bruce Korb
parent 243baa2871
commit 798bdf70ee
5 changed files with 39 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2001-03-15 Bruce Korb <bkorb@gnu.org>
* gcc.c(main): make more rigorous
* collect2.c(main): guard against ignoring SIGCHLD
* protoize.c(main): ditto
* gcc/fixinc/fixincl.c(initialize): ditto
2001-03-15 Mark Mitchell <mark@codesourcery.com>
* sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.

9
gcc/collect2.c
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@ -29,6 +29,9 @@ Boston, MA 02111-1307, USA. */
#include "config.h"
#include "system.h"
#include <signal.h>
#if ! defined( SIGCHLD ) && defined( SIGCLD )
# define SIGCHLD SIGCLD
#endif
#ifdef vfork /* Autoconf may define this to fork for us. */
# define VFORK_STRING "fork"
@ -869,6 +872,12 @@ main (argc, argv)
COLLECT2_HOST_INITIALIZATION;
#endif
#ifdef SIGCHLD
/* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will
receive the signal. A different setting is inheritable */
signal (SIGCHLD, SIG_DFL);
#endif
/* LC_CTYPE determines the character set used by the terminal so it has be set
to output messages correctly. */

9
gcc/fixinc/fixincl.c
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@ -29,6 +29,9 @@ Boston, MA 02111-1307, USA. */
#endif
#include <signal.h>
#if ! defined( SIGCHLD ) && defined( SIGCLD )
# define SIGCHLD SIGCLD
#endif
#ifndef SEPARATE_FIX_PROC
#include "server.h"
#endif
@ -249,6 +252,12 @@ ENV_TABLE
exit (EXIT_FAILURE);
}
#ifdef SIGCHLD
/* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will
receive the signal. A different setting is inheritable */
signal (SIGCHLD, SIG_DFL);
#endif
#define _ENV_(v,m,n,t) { tSCC var[] = n; \
v = getenv (var); if (m && (v == NULL)) { \
fprintf (stderr, var_not_found, var); \

5
gcc/gcc.c
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@ -73,6 +73,9 @@ compilation is specified by a string called a "spec". */
#include "config.h"
#include "system.h"
#include <signal.h>
#if ! defined( SIGCHLD ) && defined( SIGCLD )
# define SIGCHLD SIGCLD
#endif
#include "obstack.h"
#include "intl.h"
#include "prefix.h"
@ -5517,9 +5520,11 @@ main (argc, argv)
if (signal (SIGPIPE, SIG_IGN) != SIG_IGN)
signal (SIGPIPE, fatal_error);
#endif
#ifdef SIGCHLD
/* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will
receive the signal. A different setting is inheritable */
signal (SIGCHLD, SIG_DFL);
#endif
argbuf_length = 10;
argbuf = (const char **) xmalloc (argbuf_length * sizeof (const char *));

9
gcc/protoize.c
View File

@ -25,6 +25,9 @@ Boston, MA 02111-1307, USA. */
#include <setjmp.h>
#include <signal.h>
#if ! defined( SIGCHLD ) && defined( SIGCLD )
# define SIGCHLD SIGCLD
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
@ -4583,6 +4586,12 @@ main (argc, argv)
#endif
pname = pname ? pname+1 : argv[0];
#ifdef SIGCHLD
/* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will
receive the signal. A different setting is inheritable */
signal (SIGCHLD, SIG_DFL);
#endif
/* LC_CTYPE determines the character set used by the terminal so it has be set
to output messages correctly. */