/* * Copyright (C) 2006 Steven J. Hill <sjhill@realitydiluted.com> * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ #include <stdlib.h> #include <syscall.h> #include <sys/types.h> #include <sys/wait.h> #include <sys/resource.h> extern __typeof(wait) __libc_wait; /* Wait for a child to die. When one does, put its status in *STAT_LOC * and return its process ID. For errors, return (pid_t) -1. */ #ifdef __UCLIBC_HAS_THREADS_NATIVE__ #include <errno.h> #include <sysdep-cancel.h> pid_t attribute_hidden __libc_wait (__WAIT_STATUS_DEFN stat_loc) { if (SINGLE_THREAD_P) return INLINE_SYSCALL (wait4, 4, WAIT_ANY, stat_loc, 0, (struct rusage *) NULL); int oldtype = LIBC_CANCEL_ASYNC (); pid_t result = INLINE_SYSCALL (wait4, 4, WAIT_ANY, stat_loc, 0, (struct rusage *) NULL); LIBC_CANCEL_RESET (oldtype); return result; } #else /* Wait for a child to die. When one does, put its status in *STAT_LOC * and return its process ID. For errors, return (pid_t) -1. */ __pid_t __libc_wait (__WAIT_STATUS_DEFN stat_loc) { return wait4 (WAIT_ANY, stat_loc, 0, (struct rusage *) NULL); } #endif weak_alias(__libc_wait,wait)