phunix/lib/libc/gen/minix/waitpid.c
Lionel Sambuc 0ac803292e Fix warnings trivial warnings.
Fix warnings about:
 . Unused variables
 . format mismatch in printf/scanf format string and arguments
 . Missing parenthesis around assignment as truth values
 . Clang warnings anout unknown GCC pragma
2013-01-14 11:44:31 +01:00

21 lines
368 B
C

#include <sys/cdefs.h>
#include <lib.h>
#include "namespace.h"
#include <sys/wait.h>
#ifdef __weak_alias
__weak_alias(waitpid, _waitpid)
#endif
pid_t waitpid(pid_t pid, int *status, int options)
{
message m;
m.m1_i1 = pid;
m.m1_i2 = options;
if (_syscall(PM_PROC_NR, WAITPID, &m) < 0) return(-1);
if (status != 0) *status = m.m2_i1;
return m.m_type;
}