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HEAD
fix regression/pthread_once-deadlock
[libc-test]
/
src
/
regression
/
sem_close-unmap.c
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// commit: f70375df85d26235a45e74559afd69be59e5ff99 2020-10-28
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#define _GNU_SOURCE 1
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#include <fcntl.h>
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#include <stdlib.h>
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#include <semaphore.h>
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int main()
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{
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char buf[] = "mysemXXXXXX";
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if (!mktemp(buf)) return 1;
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// open twice
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sem_t *sem = sem_open(buf, O_CREAT|O_EXCL, 0600, 0);
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sem_open(buf, 0);
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sem_unlink(buf);
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// close once
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sem_close(sem);
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// semaphore should be still mapped
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sem_post(sem);
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}