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Diffstat (limited to 'cache.c')
-rw-r--r--cache.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/cache.c b/cache.c
index fcd461f..9e7eeb0 100644
--- a/cache.c
+++ b/cache.c
@@ -13,6 +13,9 @@
*
*/
+#ifdef HAVE_LINUX_SENDFILE
+#include <sys/sendfile.h>
+#endif
#include "cgit.h"
#include "cache.h"
#include "html.h"
@@ -30,7 +33,6 @@ struct cache_slot {
const char *lock_name;
int match;
struct stat cache_st;
- struct stat lock_st;
int bufsize;
char buf[CACHE_BUFSIZE];
};
@@ -81,6 +83,23 @@ static int close_slot(struct cache_slot *slot)
/* Print the content of the active cache slot (but skip the key). */
static int print_slot(struct cache_slot *slot)
{
+#ifdef HAVE_LINUX_SENDFILE
+ off_t start_off;
+ int ret;
+
+ start_off = slot->keylen + 1;
+
+ do {
+ ret = sendfile(STDOUT_FILENO, slot->cache_fd, &start_off,
+ slot->cache_st.st_size - start_off);
+ if (ret < 0) {
+ if (errno == EAGAIN || errno == EINTR)
+ continue;
+ return errno;
+ }
+ return 0;
+ } while (1);
+#else
ssize_t i, j;
i = lseek(slot->cache_fd, slot->keylen + 1, SEEK_SET);
@@ -97,6 +116,7 @@ static int print_slot(struct cache_slot *slot)
return errno;
else
return 0;
+#endif
}
/* Check if the slot has expired */
@@ -188,6 +208,10 @@ static int fill_slot(struct cache_slot *slot)
/* Generate cache content */
slot->fn();
+ /* update stat info */
+ if (fstat(slot->lock_fd, &slot->cache_st))
+ return errno;
+
/* Restore stdout */
if (dup2(tmp, STDOUT_FILENO) == -1)
return errno;