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| author | Ulrich Drepper <drepper@redhat.com> | 2005-11-19 17:22:39 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2005-11-19 17:22:39 +0000 |
| commit | eac10791463c42ff4f6da20f548c046e300b3d6d (patch) | |
| tree | 8061d956005bb5cee17eabe4d6473f1a1039b6fb /nscd/grpcache.c | |
| parent | 74ac0a89d27d1bff7238ecb14dd0a5009c2f479b (diff) | |
| download | glibc-eac10791463c42ff4f6da20f548c046e300b3d6d.tar.gz glibc-eac10791463c42ff4f6da20f548c046e300b3d6d.tar.xz glibc-eac10791463c42ff4f6da20f548c046e300b3d6d.zip | |
* sysdeps/unix/sysv/linux/ia64/bits/shm.h (shmatt_t): New type. cvs/fedora-glibc-20051119T1959
(struct shmid_ds): Use it for shm_nattch field. 2005-11-18 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/futimesat.c (futimesat): If FILE is NULL, set access and modification times of the file referenced by FD. * sysdeps/generic/futimesat.c (futimesat): Don't return EINVAL if FILE is NULL. Don't check FD if FILE is absolute path. 2005-11-19 Ulrich Drepper <drepper@redhat.com> * nscd/nscd_gethst_r.c (nscd_gethst_r): Avoid unnecesary read call if there are no aliases. * sysdeps/unix/sysv/linux/Makefile (CFLAGS-connections.c, CFLAGS-pwdcache.c, CFLAGS-grpcache.c, CFLAGS-hstcache.c, CFLAGS-aicache.c, CFLAGS-initgrcache.c): Add -DHAVE_SENDFILE. * sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_SENDFILE): Define. * nscd/pwdcache.c [HAVE_SENDFILE]: Include <sys/sendfile.h> and <kernel-features.h>. [HAVE_SENDFILE] (cache_addpw): Use sendfile to transmit positive result. * nscd/grpcache.c: Likewise. * nscd/hstcache.c: Likewise. * nscd/aicache.c: Likewise. * nscd/initgrcache.c: Likewise. * nscd/connectionc.c: Likewise.
Diffstat (limited to 'nscd/grpcache.c')
| -rw-r--r-- | nscd/grpcache.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/nscd/grpcache.c b/nscd/grpcache.c index 3f440e9701..fb043152c6 100644 --- a/nscd/grpcache.c +++ b/nscd/grpcache.c @@ -32,11 +32,17 @@ #include <string.h> #include <unistd.h> #include <sys/mman.h> +#ifdef HAVE_SENDFILE +# include <sys/sendfile.h> +#endif #include <sys/socket.h> #include <stackinfo.h> #include "nscd.h" #include "dbg_log.h" +#ifdef HAVE_SENDFILE +# include <kernel-features.h> +#endif /* This is the standard reply in case the service is disabled. */ static const gr_response_header disabled = @@ -294,7 +300,29 @@ cache_addgr (struct database_dyn *db, int fd, request_header *req, unnecessarily let the receiver wait. */ assert (fd != -1); - written = writeall (fd, &dataset->resp, total); +#ifdef HAVE_SENDFILE + if (__builtin_expect (db->mmap_used, 1)) + { + assert (db->wr_fd != -1); + assert ((char *) &dataset->resp > (char *) db->data); + assert ((char *) &dataset->resp - (char *) db->head + + total + <= (sizeof (struct database_pers_head) + + db->head->module * sizeof (ref_t) + + db->head->data_size)); + off_t off = (char *) &dataset->resp - (char *) db->head; + written = sendfile (fd, db->wr_fd, &off, total); +# ifndef __ASSUME_SENDFILE + if (written == -1 && errno == ENOSYS) + goto use_write; +# endif + } + else +# ifndef __ASSUME_SENDFILE + use_write: +# endif +#endif + written = writeall (fd, &dataset->resp, total); } /* Add the record to the database. But only if it has not been |