diff options
author | cinap_lenrek <cinap_lenrek@gmx.de> | 2013-03-11 00:48:35 +0100 |
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committer | cinap_lenrek <cinap_lenrek@gmx.de> | 2013-03-11 00:48:35 +0100 |
commit | 48b0c10681bb4e0785fa9f737d287531d06fecb7 (patch) | |
tree | 568f7cdd23400f1e781b82aa044ad39748ff9d78 /sys/src/ape/lib/ap/stdio/fflush.c | |
parent | 530a2bc5e99ad83c46ce015544cf30173c145bcc (diff) |
ape/stdio: make fopen() quasi threadsafe for python
python uses processes sharing memory. it requires at least fopen() to
be called by multiple threads at once so we introduce _IO_newfile()
which allocates the FILE structure slot under a lock.
Diffstat (limited to 'sys/src/ape/lib/ap/stdio/fflush.c')
-rw-r--r-- | sys/src/ape/lib/ap/stdio/fflush.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/src/ape/lib/ap/stdio/fflush.c b/sys/src/ape/lib/ap/stdio/fflush.c index 50a9da28f..28833f4c8 100644 --- a/sys/src/ape/lib/ap/stdio/fflush.c +++ b/sys/src/ape/lib/ap/stdio/fflush.c @@ -21,7 +21,8 @@ int fflush(FILE *f){ case WR: cnt=(f->flags&LINEBUF?f->lp:f->wp)-f->buf; if(cnt && write(f->fd, f->buf, cnt)!=cnt){ - f->state=ERR; + if(f->state!=CLOSED) + f->state=ERR; return EOF; } f->rp=f->wp=f->buf; |