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authorDenis Vlasenko2007-04-09 13:21:33 +0000
committerDenis Vlasenko2007-04-09 13:21:33 +0000
commit53d445aa7571c780b8f2410afb4f326e45f851e4 (patch)
tree6e07b3c0349e876a6c3aee11f6a64690307d2f0b /libbb/xfuncs.c
parent7e754f12d304704d44e10fd4d2fdb8710526656e (diff)
downloadbusybox-53d445aa7571c780b8f2410afb4f326e45f851e4.zip
busybox-53d445aa7571c780b8f2410afb4f326e45f851e4.tar.gz
wait4pid: if passed with pid < 0, do not set errno - it is already set by exec!
Diffstat (limited to 'libbb/xfuncs.c')
-rw-r--r--libbb/xfuncs.c33
1 files changed, 0 insertions, 33 deletions
diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
index c18a1d9..0cf2005 100644
--- a/libbb/xfuncs.c
+++ b/libbb/xfuncs.c
@@ -193,39 +193,6 @@ void xfflush_stdout(void)
}
}
-// Wait for the specified child PID to exit, returning child's error return.
-int wait4pid(int pid)
-{
- int status;
-
- if (pid <= 0) {
- errno = ECHILD;
- return -1;
- }
- if (waitpid(pid, &status, 0) == -1)
- return -1;
- if (WIFEXITED(status))
- return WEXITSTATUS(status);
- if (WIFSIGNALED(status))
- return WTERMSIG(status) + 10000;
- return 0;
-}
-
-int wait_nohang(int *wstat)
-{
- return waitpid(-1, wstat, WNOHANG);
-}
-
-int wait_pid(int *wstat, int pid)
-{
- int r;
-
- do
- r = waitpid(pid, wstat, 0);
- while ((r == -1) && (errno == EINTR));
- return r;
-}
-
void sig_block(int sig)
{
sigset_t ss;