summaryrefslogtreecommitdiff
path: root/src/libstddjb/wait_pid_nohang.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/libstddjb/wait_pid_nohang.c')
-rw-r--r--src/libstddjb/wait_pid_nohang.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/libstddjb/wait_pid_nohang.c b/src/libstddjb/wait_pid_nohang.c
new file mode 100644
index 0000000..11beed6
--- /dev/null
+++ b/src/libstddjb/wait_pid_nohang.c
@@ -0,0 +1,17 @@
+/* ISC license. */
+
+#include <sys/types.h>
+#include <skalibs/djbunix.h>
+
+pid_t wait_pid_nohang (pid_t pid, int *wstat)
+{
+ int w = 0 ;
+ register pid_t r = 0 ;
+ while (r != pid)
+ {
+ r = wait_nohang(&w) ;
+ if (!r || (r == (pid_t)-1)) return (int)r ;
+ }
+ *wstat = w ;
+ return r ;
+}