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overhaul cancellation to fix resource leaks and dangerous behavior with signals
[musl]
/
src
/
process
/
waitid.c
diff --git
a/src/process/waitid.c
b/src/process/waitid.c
index
b1e5e9b
..
4fa7c02
100644
(file)
--- a/
src/process/waitid.c
+++ b/
src/process/waitid.c
@@
-1,7
+1,13
@@
#include <sys/wait.h>
#include "syscall.h"
#include <sys/wait.h>
#include "syscall.h"
+#include "libc.h"
int waitid(idtype_t type, id_t id, siginfo_t *info, int options)
{
int waitid(idtype_t type, id_t id, siginfo_t *info, int options)
{
- return syscall(SYS_waitid, type, id, info, options, 0);
+ int r;
+ CANCELPT_BEGIN;
+ r = syscall(SYS_waitid, type, id, info, options, 0);
+ if (r<0) CANCELPT_TRY;
+ CANCELPT_END;
+ return r;
}
}