X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=sidebyside;f=ucw%2Ffb-atomic.c;h=3057f5019cf99c93c0c944b71478263ecebc24d1;hb=46a15649d1e544dce95f76424a4870d69caa955c;hp=32c9ca9bfe3facd3da41bc29537bd2f321fd9916;hpb=1cf8ac51f5495ccd5187dc220ffc69e95d6e0cfc;p=libucw.git diff --git a/ucw/fb-atomic.c b/ucw/fb-atomic.c index 32c9ca9b..3057f501 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/lfs.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; } } @@ -86,7 +88,8 @@ 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 +112,11 @@ 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);