source:
EcnlProtoTool/trunk/musl-1.1.18/src/stdio/fileno.c@
445
Last change on this file since 445 was 444, checked in by , 4 years ago | |
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File size: 283 bytes |
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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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