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authorTaru Karttunen <taruti@taruti.net>2011-03-30 15:46:40 +0300
committerTaru Karttunen <taruti@taruti.net>2011-03-30 15:46:40 +0300
commite5888a1ffdae813d7575f5fb02275c6bb07e5199 (patch)
treed8d51eac403f07814b9e936eed0c9a79195e2450 /sys/src/libc/9sys/waitpid.c
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/libc/9sys/waitpid.c')
-rwxr-xr-xsys/src/libc/9sys/waitpid.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/sys/src/libc/9sys/waitpid.c b/sys/src/libc/9sys/waitpid.c
new file mode 100755
index 000000000..098c428cf
--- /dev/null
+++ b/sys/src/libc/9sys/waitpid.c
@@ -0,0 +1,21 @@
+#include <u.h>
+#include <libc.h>
+#include <fcall.h>
+
+int
+waitpid(void)
+{
+ int n;
+ char buf[512], *fld[5];
+
+ n = await(buf, sizeof buf-1);
+ if(n <= 0)
+ return -1;
+ buf[n] = '\0';
+ if(tokenize(buf, fld, nelem(fld)) != nelem(fld)){
+ werrstr("couldn't parse wait message");
+ return -1;
+ }
+ return atoi(fld[0]);
+}
+