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| author |   Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2019-11-13 17:57:00 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2019-12-19 16:11:09 -0300 |
| commit | 848791557bc4dbf783b03f2b8af77f71c909ed57 (patch) | |
| tree | 19e9be29ab32a7bc648506bef0dd7020e5e49522 /posix | |
| parent | linux: Use waitid on wait4 if __NR_wait4 is not defined (diff) | |
| download | glibc-848791557bc4dbf783b03f2b8af77f71c909ed57.tar.gz glibc-848791557bc4dbf783b03f2b8af77f71c909ed57.tar.bz2 glibc-848791557bc4dbf783b03f2b8af77f71c909ed57.zip | |
Implement waitpid in terms of wait4
This also consolidate all waitpid implementations.
Checked on x86_64-linux-gnu.
Diffstat (limited to 'posix')
| -rw-r--r-- | posix/wait4.c | 1 | ||||
| -rw-r--r-- | posix/waitpid.c | 13 |
2 files changed, 3 insertions, 11 deletions
diff --git a/posix/wait4.c b/posix/wait4.c index eb4f7fb6de..76cc590051 100644 --- a/posix/wait4.c +++ b/posix/wait4.c @@ -27,4 +27,5 @@ __wait4 (__pid_t pid, int *stat_loc, int options, struct rusage *usage) } stub_warning (wait4) +libc_hidden_def (__wait4) weak_alias (__wait4, wait4) diff --git a/posix/waitpid.c b/posix/waitpid.c index adae03918a..214c564623 100644 --- a/posix/waitpid.c +++ b/posix/waitpid.c @@ -16,8 +16,8 @@ <https://www.gnu.org/licenses/>. */ #include <errno.h> +#include <stdlib.h> #include <sys/wait.h> -#include <sys/types.h> /* Wait for a child matching PID to die. @@ -35,16 +35,7 @@ pid_t __waitpid (pid_t pid, int *stat_loc, int options) { - if ((options & ~(WNOHANG|WUNTRACED)) != 0) - { - __set_errno (EINVAL); - return (pid_t) -1; - } - - __set_errno (ENOSYS); - return (pid_t) -1; + return __wait4 (pid, stat_loc, options, NULL); } libc_hidden_def (__waitpid) weak_alias (__waitpid, waitpid) - -stub_warning (waitpid) |