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Date: Thu, 24 Dec 2020 01:18:04 -0300
From: Érico Nogueira <ericonr@...root.org>
To: musl@...ts.openwall.com
Cc: Érico Rolim <ericonr@...root.org>
Subject: [PATCH] open thread name file in pthread_setname_np with close-on-exec flag
From: Érico Rolim <ericonr@...root.org>
the omission of the flag here seems to have been an oversight when the
function was added in 8fb28b0b3e7a5e958fb844722a4b2ef9bc244af1
---
I was asked to send this part of my pthread_getname_np patch
separately.
src/thread/pthread_setname_np.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/thread/pthread_setname_np.c b/src/thread/pthread_setname_np.c
index 82d35e17..fc2d2306 100644
--- a/src/thread/pthread_setname_np.c
+++ b/src/thread/pthread_setname_np.c
@@ -19,7 +19,7 @@ int pthread_setname_np(pthread_t thread, const char *name)
snprintf(f, sizeof f, "/proc/self/task/%d/comm", thread->tid);
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
- if ((fd = open(f, O_WRONLY)) < 0 || write(fd, name, len) < 0) status = errno;
+ if ((fd = open(f, O_WRONLY|O_CLOEXEC)) < 0 || write(fd, name, len) < 0) status = errno;
if (fd >= 0) close(fd);
pthread_setcancelstate(cs, 0);
return status;
--
2.29.2
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