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os: fix not cleaning up fd resource when mmap fails

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Andrew Kelley 2016-02-17 18:05:08 -07:00
parent 1fe64770bd
commit ca0ebfda5c
1 changed files with 3 additions and 1 deletions
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4
src/os.c
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@ -697,8 +697,10 @@ int soundio_os_init_mirrored_memory(struct SoundIoOsMirroredMemory *mem, size_t
} }
char *address = (char*)mmap(NULL, actual_capacity * 2, PROT_NONE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); char *address = (char*)mmap(NULL, actual_capacity * 2, PROT_NONE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
if (address == MAP_FAILED) if (address == MAP_FAILED) {
close(fd);
return SoundIoErrorNoMem; return SoundIoErrorNoMem;
}
char *other_address = (char*)mmap(address, actual_capacity, PROT_READ|PROT_WRITE, char *other_address = (char*)mmap(address, actual_capacity, PROT_READ|PROT_WRITE,
MAP_FIXED|MAP_SHARED, fd, 0); MAP_FIXED|MAP_SHARED, fd, 0);