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authorAndy Fiddaman <omnios@citrus-it.co.uk>2020-12-27 17:47:37 +0000
committerAndy Fiddaman <omnios@citrus-it.co.uk>2021-01-30 17:13:33 +0000
commitb30d193948be5a7794d7ae3ba0ed9c2f72c88e0f (patch)
tree6a37e590faffb9bb9af66887de645c546445036c /usr/src/lib/libast/common/comp/waitpid.c
parentdf36e06d12cbf655ddf22339ef8c39fa2b83ebf8 (diff)
downloadillumos-joyent-b30d193948be5a7794d7ae3ba0ed9c2f72c88e0f.tar.gz
13405 ksh93 update to 2012-08-01
13434 sh: mishandles backslash as last character of a block of input 11750 ksh mkdir builtin doesn't honor special file permissions 9199 ksh93 builtin *grep -v mishandles blank lines, blows up libgcrypt-config 6756 sh (and ksh) have issues with ${1+"$@"} 6520 ksh: sleep could wait forever 4860 ksh93: core in printf 3791 /bin/sh's builtin 'rm' busted: 'rm -f' without arguments returns error 1047 ksh overwrites child core files 880 ksh93 coredumps on 'unset' 499 "interrupted system call" when using "tee" builtin in ksh Reviewed by: Robert Mustacchi <rm@fingolfin.org> Reviewed by: Hans Rosenfeld <rosenfeld@grumpf.hope-2000.org> Reviewed by: Dominik Hassler <hadfl@omnios.org> Approved by: Rich Lowe <richlowe@richlowe.net>
Diffstat (limited to 'usr/src/lib/libast/common/comp/waitpid.c')
-rw-r--r--usr/src/lib/libast/common/comp/waitpid.c199
1 files changed, 0 insertions, 199 deletions
diff --git a/usr/src/lib/libast/common/comp/waitpid.c b/usr/src/lib/libast/common/comp/waitpid.c
deleted file mode 100644
index 1b09472709..0000000000
--- a/usr/src/lib/libast/common/comp/waitpid.c
+++ /dev/null
@@ -1,199 +0,0 @@
-/***********************************************************************
-* *
-* This software is part of the ast package *
-* Copyright (c) 1985-2010 AT&T Intellectual Property *
-* and is licensed under the *
-* Common Public License, Version 1.0 *
-* by AT&T Intellectual Property *
-* *
-* A copy of the License is available at *
-* http://www.opensource.org/licenses/cpl1.0.txt *
-* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
-* *
-* Information and Software Systems Research *
-* AT&T Research *
-* Florham Park NJ *
-* *
-* Glenn Fowler <gsf@research.att.com> *
-* David Korn <dgk@research.att.com> *
-* Phong Vo <kpv@research.att.com> *
-* *
-***********************************************************************/
-#pragma prototyped
-/*
- * POSIX waitpid()
- *
- * pid < -1 WUNTRACED may not be fully supported
- * process group specifics ignored by non-{waitpid,wait4}
- */
-
-#include <ast.h>
-#include <wait.h>
-
-#if _lib_waitpid
-
-NoN(waitpid)
-
-#else
-
-#if _lib_wait4
-
-struct rusage;
-
-extern int wait4(int, int*, int, struct rusage*);
-
-pid_t
-waitpid(pid_t pid, int* status, int flags)
-{
- return(wait4(pid, status, flags, NiL));
-}
-
-#else
-
-#undef SIGCLD
-
-#if _lib_wait3
-
-extern int wait3(int*, int, struct rusage*);
-
-#else
-
-#if _lib_wait2
-
-#define wait3(s,f,u) wait2(s,f)
-
-extern int wait2(int*, int);
-
-#else
-
-#include <sig.h>
-
-#define wait3(s,f,u) wait(s)
-
-static int caught;
-
-static void
-catch(sig)
-int sig;
-{
- NoP(sig);
- caught = 1;
-}
-
-#endif
-
-#endif
-
-#include <error.h>
-
-struct zombie
-{
- struct zombie* next;
- int status;
- pid_t pid;
-};
-
-pid_t
-waitpid(pid_t pid, int* status, int flags)
-{
- register struct zombie* zp;
- register struct zombie* pp;
- register int p;
- int s;
-#if !_lib_wait2 && !_lib_wait3
-#if !defined(SIGCLD)
- int n;
- int oerrno;
-#endif
- Sig_handler_t handler;
-#endif
-
- static struct zombie* zombies;
-
- pp = 0;
- zp = zombies;
- while (zp)
- {
- if (zp->pid >= 0 && (zp->pid == pid || pid <= 0))
- {
- if (pp) pp->next = zp->next;
- else zombies = zp->next;
- if (status) *status = zp->status;
- pid = zp->pid;
- free(zp);
- return(pid);
- }
- }
- if (pid > 0 && kill(pid, 0) < 0) return(-1);
- for (;;)
- {
-#if !_lib_wait2 && !_lib_wait3
-#if !defined(SIGCLD)
- oerrno = errno;
-#endif
- if (flags & WNOHANG)
- {
- caught = 0;
-#if defined(SIGCLD)
- handler = signal(SIGCLD, catch);
- if (!caught)
- {
- signal(SIGCLD, handler);
- return(0);
- }
-#else
-#if defined(SIGALRM)
- handler = signal(SIGALRM, catch);
- n = alarm(1);
-#endif
-#endif
- }
-#endif
- p = wait3(&s, flags, NiL);
-#if !_lib_wait3
-#if !_lib_wait2
-#if defined(SIGCLD)
- if (flags & WNOHANG) signal(SIGCLD, handler);
-#else
-#if defined(SIGALRM)
- if (flags & WNOHANG)
- {
- if (n == 0 && !caught || n == 1) alarm(n);
- else if (n > 1) alarm(n - caught);
- signal(SIGALRM, handler);
- }
- if (p == -1 && errno == EINTR)
- {
- errno = oerrno;
- p = 0;
- s = 0;
- }
-#endif
-#endif
-#else
- if (p == -1 && errno == EINVAL && (flags & ~WNOHANG))
- p = wait3(&s, flags & WNOHANG, NiL);
-#endif
-#endif
- if (p <= 0)
- {
- if (p == 0 && status) *status = s;
- return(p);
- }
- if (pid <= 0 || p == pid)
- {
- if (status) *status = s;
- return(p);
- }
- if (!(zp = newof(0, struct zombie, 1, 0))) return(-1);
- zp->pid = p;
- zp->status = s;
- zp->next = zombies;
- zombies = zp;
- }
- /*NOTREACHED*/
-}
-
-#endif
-
-#endif