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include header that declares __syscall_ret where it's defined
[oweals/musl.git]
/
src
/
stdio
/
fileno.c
1
#include "stdio_impl.h"
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int fileno(FILE *f)
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{
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/* f->fd never changes, but the lock must be obtained and released
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* anyway since this function cannot return while another thread
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* holds the lock. */
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FLOCK(f);
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FUNLOCK(f);
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return f->fd;
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}
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weak_alias(fileno, fileno_unlocked);