source:
azure_iot_hub/trunk/musl-1.1.18/src/stdio/fileno.c
Last change on this file was 389, checked in by , 5 years ago | |
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File size: 283 bytes |
Rev | Line | |
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[388] | 1 | #include "stdio_impl.h" |
2 | ||
3 | int fileno(FILE *f) | |
4 | { | |
5 | /* f->fd never changes, but the lock must be obtained and released | |
6 | * anyway since this function cannot return while another thread | |
7 | * holds the lock. */ | |
8 | FLOCK(f); | |
9 | FUNLOCK(f); | |
10 | return f->fd; | |
11 | } | |
12 | ||
13 | weak_alias(fileno, fileno_unlocked); |
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