X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=ucw%2Ffb-atomic.c;h=cd0217468279090b61ea69a19f816715254eecd9;hb=f17e4350dcf0c033891e52b30b0c32a4a4fed5e0;hp=8b4544858327da99991c19a19042976c31f9118e;hpb=315d65b74168b23e820b9dde6166ec19bd048228;p=libucw.git diff --git a/ucw/fb-atomic.c b/ucw/fb-atomic.c index 8b454485..cd021746 100644 --- a/ucw/fb-atomic.c +++ b/ucw/fb-atomic.c @@ -7,10 +7,11 @@ * of the GNU Lesser General Public License. */ -#include "ucw/lib.h" -#include "ucw/fastbuf.h" -#include "ucw/io.h" -#include "ucw/conf.h" +#include +#include +#include +#include +#include #include #include @@ -33,6 +34,7 @@ static void CONSTRUCTOR fbatomic_init_config(void) #endif +#define FB_ATOMIC(f) ((struct fb_atomic *)(f)) #define TRACE(m...) do { if(trace) msg(L_DEBUG, "FB_ATOMIC: " m); } while(0) struct fb_atomic_file { @@ -53,9 +55,9 @@ fbatomic_internal_write(struct fastbuf *f) ASSERT(af->record_len < 0 || !(size % af->record_len)); int res = write(af->fd, f->buffer, size); if (res < 0) - die("Error writing %s: %m", f->name); + bthrow(f, "write", "Error writing %s: %m", f->name); if (res != size) - die("Unexpected partial write to %s: written only %d bytes of %d", f->name, res, size); + bthrow(f, "write", "Unexpected partial write to %s: written only %d bytes of %d", f->name, res, size); f->bptr = f->buffer; } } @@ -76,6 +78,7 @@ fbatomic_spout(struct fastbuf *f) f->buffer = xrealloc(f->buffer, size); f->bufend = f->buffer + size; f->bptr = f->buffer + written; + f->bstop = f->buffer; F->expected_max_bptr = f->bufend - F->slack_size; } else @@ -86,7 +89,8 @@ static void fbatomic_close(struct fastbuf *f) { struct fb_atomic_file *af = FB_ATOMIC(f)->af; - fbatomic_internal_write(f); /* Need to flush explicitly, because the file can be locked */ + if (!(f->flags & FB_DEAD)) + fbatomic_internal_write(f); /* Need to flush explicitly, because the file can be locked */ if (!--af->use_count) { close(af->fd); @@ -109,9 +113,11 @@ fbatomic_open(const char *name, struct fastbuf *master, uns bufsize, int record_ } else { + int fd = ucw_open(name, O_WRONLY | O_CREAT | O_TRUNC | O_APPEND, 0666); + if (fd < 0) + trans_throw("ucw.fb.open", NULL, "Cannot create %s: %m", name); af = xmalloc_zero(sizeof(*af) + strlen(name)); - if ((af->fd = ucw_open(name, O_WRONLY | O_CREAT | O_TRUNC | O_APPEND, 0666)) < 0) - die("Cannot create %s: %m", name); + af->fd = fd; af->use_count = 1; af->record_len = record_len; af->locked = (record_len < 0);