51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/* This implements wait4 with the 4.4 BSD semantics (also those documented in
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SunOS 4.1) on top of SunOS's wait4 system call, which has semantics
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different from those documented. Go Sun!
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Copyright (C) 1991,1992,1993,1995,1997,2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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extern pid_t __wait4_syscall (pid_t pid, __WAIT_STATUS_DEFN stat_loc,
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int options, struct rusage *usage);
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pid_t
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__wait4 (pid, stat_loc, options, usage)
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pid_t pid;
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__WAIT_STATUS_DEFN stat_loc;
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int options;
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struct rusage *usage;
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{
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switch (pid)
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{
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case WAIT_ANY:
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pid = 0;
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break;
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case WAIT_MYPGRP:
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pid = - getpgrp ();
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break;
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}
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return __wait4_syscall (pid, stat_loc, options, usage);
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}
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weak_alias (__wait4, wait4)
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