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mmap returns MAP_FAILED in case of an error, also do a perror in case of a failure.

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Original commit message from CVS:
mmap returns MAP_FAILED in case of an error, also do a perror in case of a
failure.
This commit is contained in:
Wim Taymans 2001-08-10 21:36:57 +00:00
parent 1a6a4085f0
commit b53802cffe
2 changed files with 12 additions and 6 deletions
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9
gst/elements/gstdisksrc.c
View file

@ -67,7 +67,8 @@ static void gst_disksrc_get_property (GObject *object, guint prop_id,
static GstBuffer * gst_disksrc_get (GstPad *pad);
static GstBuffer * gst_disksrc_get_region (GstPad *pad,GstRegionType type,guint64 offset,guint64 len);
static GstElementStateReturn gst_disksrc_change_state (GstElement *element);
static GstElementStateReturn
gst_disksrc_change_state (GstElement *element);
static gboolean gst_disksrc_open_file (GstDiskSrc *src);
static void gst_disksrc_close_file (GstDiskSrc *src);
@ -351,13 +352,15 @@ gst_disksrc_open_file (GstDiskSrc *src)
lseek (src->fd, 0, SEEK_SET);
/* map the file into memory */
src->map = mmap (NULL, src->size, PROT_READ, MAP_SHARED, src->fd, 0);
madvise (src->map,src->size, 2);
/* collapse state if that failed */
if (src->map == NULL) {
if (src->map == MAP_FAILED) {
perror ("disksrc:mmap");
close (src->fd);
gst_element_error (GST_ELEMENT (src),"mmapping file");
return FALSE;
}
madvise (src->map,src->size, 2);
GST_FLAG_SET (src, GST_DISKSRC_OPEN);
src->new_seek = TRUE;
}

9
plugins/elements/gstdisksrc.c
View file

@ -67,7 +67,8 @@ static void gst_disksrc_get_property (GObject *object, guint prop_id,
static GstBuffer * gst_disksrc_get (GstPad *pad);
static GstBuffer * gst_disksrc_get_region (GstPad *pad,GstRegionType type,guint64 offset,guint64 len);
static GstElementStateReturn gst_disksrc_change_state (GstElement *element);
static GstElementStateReturn
gst_disksrc_change_state (GstElement *element);
static gboolean gst_disksrc_open_file (GstDiskSrc *src);
static void gst_disksrc_close_file (GstDiskSrc *src);
@ -351,13 +352,15 @@ gst_disksrc_open_file (GstDiskSrc *src)
lseek (src->fd, 0, SEEK_SET);
/* map the file into memory */
src->map = mmap (NULL, src->size, PROT_READ, MAP_SHARED, src->fd, 0);
madvise (src->map,src->size, 2);
/* collapse state if that failed */
if (src->map == NULL) {
if (src->map == MAP_FAILED) {
perror ("disksrc:mmap");
close (src->fd);
gst_element_error (GST_ELEMENT (src),"mmapping file");
return FALSE;
}
madvise (src->map,src->size, 2);
GST_FLAG_SET (src, GST_DISKSRC_OPEN);
src->new_seek = TRUE;
}