projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 1f2f436a A |
1 | --- waitpid.c.orig 2009-11-07 14:51:38.000000000 -0800 |
| 2 | +++ waitpid.c 2009-11-07 14:51:40.000000000 -0800 | |
| 3 | @@ -40,10 +40,31 @@ __FBSDID("$FreeBSD: src/lib/libc/gen/wai | |
| 224c7076 A |
4 | #include <sys/resource.h> |
| 5 | #include "un-namespace.h" | |
| 6 | ||
| 7 | +#if __DARWIN_UNIX03 | |
| 8 | +#include <errno.h> | |
| 9 | +#endif /* __DARWIN_UNIX03 */ | |
| 10 | +#ifdef VARIANT_CANCELABLE | |
| 11 | +int __wait4(pid_t, int *, int , struct rusage *); | |
| 12 | +#else /* !VARIANT_CANCELABLE */ | |
| 13 | +int __wait4_nocancel(pid_t, int *, int , struct rusage *); | |
| 14 | +#endif /* VARIANT_CANCELABLE */ | |
| 15 | + | |
| 16 | pid_t | |
| 17 | __waitpid(pid_t pid, int *istat, int options) | |
| 18 | { | |
| 19 | - return (_wait4(pid, istat, options, (struct rusage *)0)); | |
| 20 | +#if __DARWIN_UNIX03 | |
| 21 | + /* POSIX: Validate waitpid() options before calling wait4() */ | |
| 22 | + if ((options & (WCONTINUED | WNOHANG | WUNTRACED)) != options) { | |
| 23 | + errno = EINVAL; | |
| 24 | + return ((pid_t)-1); | |
| 25 | + } | |
| 26 | +#endif /* __DARWIN_UNIX03 */ | |
| 27 | + | |
| 28 | +#ifdef VARIANT_CANCELABLE | |
| 29 | + return (__wait4(pid, istat, options, (struct rusage *)0)); | |
| 30 | +#else /* !VARIANT_CANCELABLE */ | |
| 31 | + return (__wait4_nocancel(pid, istat, options, (struct rusage *)0)); | |
| 32 | +#endif /* VARIANT_CANCELABLE */ | |
| 33 | } | |
| 34 | ||
| 35 | __weak_reference(__waitpid, waitpid); |