nsswitch: prepare for removing global locking by using TLS

Switch to using TLS for all global variables. No change in behaviour.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

diff --git a/nsswitch/wb_common.c b/nsswitch/wb_common.c
index 1a3ed1241c5f84fdf8406f0edf8f6373ad6a085a..9f33f3459c2d67ac62393569c52671a4a824d1b5 100644 (file)
--- a/nsswitch/wb_common.c
+++ b/nsswitch/wb_common.c
@@ -31,7 +31,7 @@
 #include <pthread.h>
 #endif
 
-static char client_name[32];
+static __thread char client_name[32];
 
 /* Global context */
 

diff --git a/nsswitch/winbind_nss_linux.c b/nsswitch/winbind_nss_linux.c
index a19c86dcdcc78831a8ade3cbfda6c7fecc41fb76..fe8448a780098a447ea9a0d56e9a8b3585aaec33 100644 (file)
--- a/nsswitch/winbind_nss_linux.c
+++ b/nsswitch/winbind_nss_linux.c
@@ -354,10 +354,10 @@ static NSS_STATUS fill_grent(struct group *result, struct winbindd_gr *gr,
  * NSS user functions
  */
 
-static struct winbindd_response getpwent_response;
+static __thread struct winbindd_response getpwent_response;
 
-static int ndx_pw_cache;                 /* Current index into pwd cache */
-static int num_pw_cache;                 /* Current size of pwd cache */
+static __thread int ndx_pw_cache;        /* Current index into pwd cache */
+static __thread int num_pw_cache;        /* Current size of pwd cache */
 
 /* Rewind "file pointer" to start of ntdom password database */
 
@@ -435,7 +435,7 @@ _nss_winbind_getpwent_r(struct passwd *result, char *buffer,
 {
        NSS_STATUS ret;
        struct winbindd_request request;
-       static int called_again;
+       static __thread int called_again;
 
 #ifdef DEBUG_NSS
        fprintf(stderr, "[%5d]: getpwent\n", getpid());
@@ -531,9 +531,9 @@ _nss_winbind_getpwuid_r(uid_t uid, struct passwd *result, char *buffer,
                        size_t buflen, int *errnop)
 {
        NSS_STATUS ret;
-       static struct winbindd_response response;
+       static __thread struct winbindd_response response;
        struct winbindd_request request;
-       static int keep_response;
+       static __thread int keep_response;
 
 #ifdef DEBUG_NSS
        fprintf(stderr, "[%5d]: getpwuid_r %d\n", getpid(), (unsigned int)uid);
@@ -610,9 +610,9 @@ _nss_winbind_getpwnam_r(const char *name, struct passwd *result, char *buffer,
                        size_t buflen, int *errnop)
 {
        NSS_STATUS ret;
-       static struct winbindd_response response;
+       static __thread struct winbindd_response response;
        struct winbindd_request request;
-       static int keep_response;
+       static __thread int keep_response;
 
 #ifdef DEBUG_NSS
        fprintf(stderr, "[%5d]: getpwnam_r %s\n", getpid(), name);
@@ -688,10 +688,10 @@ _nss_winbind_getpwnam_r(const char *name, struct passwd *result, char *buffer,
  * NSS group functions
  */
 
-static struct winbindd_response getgrent_response;
+static __thread struct winbindd_response getgrent_response;
 
-static int ndx_gr_cache;                 /* Current index into grp cache */
-static int num_gr_cache;                 /* Current size of grp cache */
+static __thread int ndx_gr_cache;        /* Current index into grp cache */
+static __thread int num_gr_cache;        /* Current size of grp cache */
 
 /* Rewind "file pointer" to start of ntdom group database */
 
@@ -769,8 +769,8 @@ winbind_getgrent(enum winbindd_cmd cmd,
                 char *buffer, size_t buflen, int *errnop)
 {
        NSS_STATUS ret;
-       static struct winbindd_request request;
-       static int called_again;
+       static __thread struct winbindd_request request;
+       static __thread int called_again;
 
 
 #ifdef DEBUG_NSS
@@ -895,9 +895,9 @@ _nss_winbind_getgrnam_r(const char *name,
                        size_t buflen, int *errnop)
 {
        NSS_STATUS ret;
-       static struct winbindd_response response;
+       static __thread struct winbindd_response response;
        struct winbindd_request request;
-       static int keep_response;
+       static __thread int keep_response;
 
 #ifdef DEBUG_NSS
        fprintf(stderr, "[%5d]: getgrnam %s\n", getpid(), name);
@@ -983,9 +983,9 @@ _nss_winbind_getgrgid_r(gid_t gid,
                        size_t buflen, int *errnop)
 {
        NSS_STATUS ret;
-       static struct winbindd_response response;
+       static __thread struct winbindd_response response;
        struct winbindd_request request;
-       static int keep_response;
+       static __thread int keep_response;
 
 #ifdef DEBUG_NSS
        fprintf(stderr, "[%5d]: getgrgid %d\n", getpid(), gid);