diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2000-09-01 09:09:56 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2000-09-01 09:09:56 +0000 |
| commit | a8e58aa9ab2667045c1b21e5c1c5e21b075a782f (patch) | |
| tree | aea233a6ad4b6e0a075182d868cc3350c19279eb /libio/libio.h | |
| parent | a91d3cd37bec7699597a45016f4cec985b9f3482 (diff) | |
Update.
[_IO_MTSAFE_IO] (_IO_flockfile, _IO_funlockfile): Add macros which
test _IO_USER_LOCK flag first.
Diffstat (limited to 'libio/libio.h')
| -rw-r--r-- | libio/libio.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libio/libio.h b/libio/libio.h index e662f48918..770cb6d2b3 100644 --- a/libio/libio.h +++ b/libio/libio.h @@ -442,6 +442,10 @@ extern int _IO_ftrylockfile (_IO_FILE *) __THROW; #ifdef _IO_MTSAFE_IO # define _IO_peekc(_fp) _IO_peekc_locked (_fp) +# define _IO_flockfile(_fp) \ + if (((_fp)->_mode & _IO_USER_LOCK) == 0) _IO_flockfile (_fp) +# define _IO_funlockfile(_fp) \ + if (((_fp)->_mode & _IO_USER_LOCK) == 0) _IO_funlockfile (_fp) #else # define _IO_peekc(_fp) _IO_peekc_unlocked (_fp) # define _IO_flockfile(_fp) /**/ |