From a0844057776f565316fa56d865266b4995434774 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Fri, 17 Aug 2012 11:47:06 -0700 Subject: [PATCH] Fix getaddrinfo for [!_STATBUF_ST_NSEC] case. --- ChangeLog | 7 +++++++ sysdeps/posix/getaddrinfo.c | 37 +++++++++++++++++++++++++++++++++++-- 2 files changed, 42 insertions(+), 2 deletions(-) diff --git a/ChangeLog b/ChangeLog index 62a6916..357287f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,12 @@ 2012-08-17 Roland McGrath + * sysdeps/posix/getaddrinfo.c + (save_gaiconf_mtime, check_gaiconf_mtime): New functions. + (gaiconf_init, gaiconf_reload): Use them. + [!_STATBUF_ST_NSEC] + (gaiconf_mtime, save_gaiconf_mtime, check_gaiconf_mtime): + Define using time_t rather than struct timespec. + * sysdeps/generic/malloc-machine.h (MUTEX_INITIALIZER): New macro. (atomic_full_barrier, atomic_read_barrier, atomic_write_barrier): Macros removed. diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c index 78a2474..2638736 100644 --- a/sysdeps/posix/getaddrinfo.c +++ b/sysdeps/posix/getaddrinfo.c @@ -1855,8 +1855,41 @@ static int gaiconf_reload_flag; static int gaiconf_reload_flag_ever_set; /* Last modification time. */ +#ifdef _STATBUF_ST_NSEC + static struct timespec gaiconf_mtime; +static inline void +save_gaiconf_mtime (const struct stat64 *st) +{ + gaiconf_mtime = st->st_mtim; +} + +static inline bool +check_gaiconf_mtime (const struct stat64 *st) +{ + return (st->st_mtim.tv_sec == gaiconf_mtime.tv_sec + && st->st_mtim.tv_nsec == gaiconf_mtime.tv_nsec); +} + +#else + +static time_t gaiconf_mtime; + +static inline void +save_gaiconf_mtime (const struct stat64 *st) +{ + gaiconf_mtime = st->st_mtime; +} + +static inline bool +check_gaiconf_mtime (const struct stat64 *st) +{ + return st->mtime == gaiconf_mtime; +} + +#endif + libc_freeres_fn(fini) { @@ -2298,7 +2331,7 @@ gaiconf_init (void) if (oldscope != default_scopes) free ((void *) oldscope); - gaiconf_mtime = st.st_mtim; + save_gaiconf_mtime (&st); } else { @@ -2320,7 +2353,7 @@ gaiconf_reload (void) { struct stat64 st; if (__xstat64 (_STAT_VER, GAICONF_FNAME, &st) != 0 - || memcmp (&st.st_mtim, &gaiconf_mtime, sizeof (gaiconf_mtime)) != 0) + || !check_gaiconf_mtime (&st)) gaiconf_init (); } -- 2.7.4