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authorUlrich Drepper <drepper@redhat.com>1997-12-14 22:24:57 +0000
committerUlrich Drepper <drepper@redhat.com>1997-12-14 22:24:57 +0000
commitbd355af04fc1df69d4ebb6733be170b9baf0dfb5 (patch)
tree7c003a29de4031db7de6ddd8e86c43bd746891a0 /sysdeps/posix
parentafe93c0bb33ca7f45b9b60c30067e7b84827e900 (diff)
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1997-12-14 21:33 Ulrich Drepper <drepper@cygnus.com> * version.h (VERSION): Bump to 2.0.91. * db2/makedb.c (process_input): Fix typo in message. * sunrpc/rpcinfo.c (pmapdump): Unify messages. * elf/dynamic-link.h: Pretty print. * elf/rtld.c: Allow multiple preloading of a shared object. * include/limits.h: Prevent multiple inclusion. * malloc/Makefile (headers): Add mcheck.h. (distribute): Remove it here. * malloc/mcheck.h: Pretty print. * malloc/mtrace.c (mallenv): Make `const'. * malloc/mtrace.pl: Don't print table head for memory leaks if there are none. * manual/memory.texi: Update descriptor of malloc hooks. * posix/Makefile (routines): Add waitid. * posix/sys/types.h [__USE_SVID || __USE_POSIX]: Define id_t based on __id_t. * posix/sys/wait.h: Define idtype_t type. Add prototype for waitid. * signal/signal.h: Move definition of sigval_t to <bits/siginfo.h>. * sysdeps/generic/waitid.c: Stub for waitid. * sysdeps/generic/bits/siginfo.h: Define sigval_t. Arrange to work the __need_siginfo_t defined. * sysdeps/unix/sysv/linux/bits/siginfo: Likewise. * sysdeps/generic/bits/types.h: Define __id_t. Correct definition of __FDMASK. * sysdeps/unix/sysv/linux/alpha/bits/types.h: Likewise. * sysdeps/unix/sysv/linux/bits/types.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/bits/types.h: Likewise. * sysdeps/posix/waitid.c: New file. Provided by Zack Weinberg. * rt/aio_misc.c: Rename __aio_free_req to __aio_free_request. * sysdeps/alpha/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Add missing parameters. * sysdeps/generic/dl-sysdep.c: Don't call __libc_init_secure. * sysdeps/generic/enbl-secure.c: Don't define __libc_uid. * sysdeps/unix/sysv/linux/init-first.c: Define __libc_uid. * sysdeps/unix/sysv/linux/sigqueue.c: Make sure __libc_uid is initialized. * sysdeps/i386/dl-machine.h: Little cleanup. * sysdeps/i386/fpu/bits/mathinline.h: Use __signbit* inline functions. (__finite): Mark function as const. Add inline code for __ieee754_atan2. * sysdeps/libm-ieee754/s_cacoshf.c: Add alternate implementation (but don't use it now). * sysdeps/libm-ieee754/s_catan.c: Use __ieee754_atan2 instead of __atan. * sysdeps/libm-ieee754/s_catanf.c: Likewise. * sysdeps/libm-ieee754/s_catanl.c: Likewise. * sysdeps/libm-ieee754/s_catanh.c: Likewise. Correct sign of real part. * sysdeps/libm-ieee754/s_catanhf.c: Likewise. * sysdeps/libm-ieee754/s_catanhl.c: Likewise. * sysdeps/libm-ieee754/s_clog10.c: Use factor to correct __ieee754_atan2 to base 10. * sysdeps/libm-ieee754/s_clog10f.c: Likewise. * sysdeps/libm-ieee754/s_clog10l.c: Likewise. * sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h: Define as old_kernel_sigaction. * sysdeps/unix/sysv/linux/net/if_slip.h: Pretty print. * wctype/Makefile (routines): Add wctype_l. * wctype/wctype.h: Add declaration of __wctype_l. * wctype/wctype_l.c: New file. 1997-12-10 00:38 Ulrich Drepper <drepper@cygnus.com> * locale/C-ctype.c: Correct data for isw* functions. * locale/programs/ld-ctype.c: Write 32bit char classes in correct byte order. * wctype/test_wctype.c: Add test for isw* functions. * wctype/wctype.c: Return value with expected byte order. * sysdeps/generic/_G_config.h: Define _G_HAVE_IO_FILE_OPEN. * sysdeps/unix/sysv/linux/_G_config.h: Likewise.
Diffstat (limited to 'sysdeps/posix')
-rw-r--r--sysdeps/posix/waitid.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/sysdeps/posix/waitid.c b/sysdeps/posix/waitid.c
new file mode 100644
index 0000000..a36883a
--- /dev/null
+++ b/sysdeps/posix/waitid.c
@@ -0,0 +1,118 @@
+/* Pseudo implementation of waitid.
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1997.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <signal.h>
+#include <sys/wait.h>
+#include <sys/types.h>
+
+#include <assert.h>
+
+int
+waitid (idtype, id, infop, options)
+ idtype_t idtype;
+ id_t id;
+ siginfo_t *infop;
+ int options;
+{
+ pid_t pid, child;
+ int status;
+
+ switch (idtype)
+ {
+ case P_PID:
+ if(id <= 0)
+ goto invalid;
+ pid = (pid_t) id;
+ break;
+ case P_PGID:
+ if (id < 0 || id == 1)
+ goto invalid;
+ pid = (pid_t) -id;
+ break;
+ case P_ALL:
+ pid = -1;
+ break;
+ default:
+ invalid:
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ /* Technically we're supposed to return EFAULT if infop is bogus,
+ but that would involve mucking with signals, which is
+ too much hassle. User will have to deal with SIGSEGV/SIGBUS.
+ We just check for a null pointer. */
+
+ if (infop == NULL)
+ {
+ __set_errno (EFAULT);
+ return -1;
+ }
+
+ child = waitpid (pid, &status, options);
+
+ if (child == -1)
+ /* `waitpid' set `errno' for us. */
+ return -1;
+
+ if (child == 0)
+ {
+ /* The WHOHANG bit in OPTIONS is set and there are children available
+ but none has a status for us. The XPG docs do not mention this
+ case so we clear the `siginfo_t' struct and return succesfully. */
+ infop->si_signo = 0;
+ infop->si_code = 0;
+ return 0;
+ }
+
+ /* Decode the status field and set infop members... */
+ infop->si_signo = SIGCHLD;
+ infop->si_pid = child;
+ infop->si_errno = 0;
+
+ if (WIFEXITED (status))
+ {
+ infop->si_code = CLD_EXITED;
+ infop->si_status = WEXITSTATUS (status);
+ }
+ else if (WIFSIGNALED (status))
+ {
+ infop->si_code = WCOREDUMP (status) ? CLD_DUMPED : CLD_KILLED;
+ infop->si_status = WTERMSIG (status);
+ }
+ else if (WIFSTOPPED (status))
+ {
+ infop->si_code = CLD_STOPPED;
+ infop->si_status = WSTOPSIG (status);
+ }
+#ifdef WIFCONTINUED
+ else if (WIFCONTINUED (status))
+ {
+ infop->si_code = CLD_CONTINUED;
+ infop->si_status = SIGCONT;
+ }
+#endif
+ else
+ /* Can't happen. */
+ assert (! "What?");
+
+ return 0;
+}