merge r2897, r2898, r2899, r2901, r2902, r2904, r2905, r2906, r2907,

r2909, r2910, r2922, r2923, r2924, r2925, r2929:

various win32 fixes:

*) use no-threads for Unix builds only
*) Win32 returns ERROR_PATH_NOT_FOUND instead of ERROR_FILE_NOT_FOUND
*) add trailing zero to a file name in ngx_win32_rename_file()
*) fix logging in ngx_win32_rename_file()
*) allow shared memory segments more than 4G
*) fix memory leak in successful case
*) log shared memory name in failure case
*) test that zone has the same addresses in different processes
*) add drive letter for Win32 root path
*) log GetExitCodeProcess()'s errno
*) test premature process termination
*) fix debug logging
*) exit if no workers could not be started
*) do not quit old workers if no new workers could not be started
*) a signaller process should stop configuration processing just after
   it is able to get pid file, this allows to not open log files, etc.
*) win32 master process had aready closed listening sockets

diff --git a/auto/cc/msvc b/auto/cc/msvc
index 11c4682cf4b319e57969b5835ab3b57dec248a7b..01d6f7f2fa3785275d48bc6ebffee7bccec5f717 100644 (file)
--- a/auto/cc/msvc
+++ b/auto/cc/msvc
@@ -125,7 +125,7 @@ ngx_objext="obj"
 ngx_binext=".exe"
 
 ngx_long_start='@<<
-        '
+       '
 ngx_long_end='<<'
 ngx_long_regex_cont=' \
        '

diff --git a/auto/lib/openssl/make b/auto/lib/openssl/make
index 6646cb2a4d4fe722fa97d32875b1da55720f4d54..3c21f436b8744c2222c7453779564e33adf51591 100644 (file)
--- a/auto/lib/openssl/make
+++ b/auto/lib/openssl/make
@@ -2,11 +2,6 @@
 # Copyright (C) Igor Sysoev
 
 
-case $USE_THREADS in
-    NO) OPENSSL_OPT="$OPENSSL_OPT no-threads" ;;
-    *)  OPENSSL_OPT="$OPENSSL_OPT threads" ;;
-esac
-
 case "$CC" in
 
     cl)
@@ -21,7 +16,7 @@ END
 
     ;;
 
-    cl | bcc32)
+    bcc32)
 
         ngx_opt=`echo "-DOPENSSL=\"$OPENSSL\" -DOPENSSL_OPT=\"$OPENSSL_OPT\"" \
             | sed -e "s/\//$ngx_regex_dirsep/g"`
@@ -45,16 +40,14 @@ END
     ;;
 
     *)
-        case $OPENSSL in
-
-        /*)
-            ngx_prefix="$OPENSSL/openssl"
-        ;;
-
-        *)
-            ngx_prefix="$PWD/$OPENSSL/openssl"
-        ;;
+        case $USE_THREADS in
+            NO) OPENSSL_OPT="$OPENSSL_OPT no-threads" ;;
+            *)  OPENSSL_OPT="$OPENSSL_OPT threads" ;;
+        esac
 
+        case $OPENSSL in
+            /*) ngx_prefix="$OPENSSL/openssl" ;;
+            *)  ngx_prefix="$PWD/$OPENSSL/openssl" ;;
         esac
 
         cat << END                                            >> $NGX_MAKEFILE

diff --git a/src/core/nginx.c b/src/core/nginx.c
index eec48bfa72f8cf0212de73da7efe06ab88832f97..ff7a9f8485a7cb1b40c094f78b1df5fc4345d622 100644 (file)
--- a/src/core/nginx.c
+++ b/src/core/nginx.c
@@ -330,6 +330,10 @@ main(int argc, char *const *argv)
         return 0;
     }
 
+    if (ngx_signal) {
+        return ngx_signal_process(cycle, ngx_signal);
+    }
+
     ngx_os_status(cycle->log);
 
     ngx_cycle = cycle;
@@ -340,10 +344,6 @@ main(int argc, char *const *argv)
         ngx_process = NGX_PROCESS_MASTER;
     }
 
-    if (ngx_signal) {
-        return ngx_signal_process(cycle, ngx_signal);
-    }
-
 #if !(NGX_WIN32)
 
     if (ngx_init_signals(cycle->log) != NGX_OK) {

diff --git a/src/core/ngx_conf_file.c b/src/core/ngx_conf_file.c
index 1f6b1f732d3965e3cdf7b73ad99d16a6992b369f..c58d8095fae4d73deeeb41dd433de82287e04899 100644 (file)
--- a/src/core/ngx_conf_file.c
+++ b/src/core/ngx_conf_file.c
@@ -12,6 +12,7 @@
 static ngx_int_t ngx_conf_handler(ngx_conf_t *cf, ngx_int_t last);
 static ngx_int_t ngx_conf_read_token(ngx_conf_t *cf);
 static char *ngx_conf_include(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
+static ngx_int_t ngx_conf_test_full_name(ngx_str_t *name);
 static void ngx_conf_flush_files(ngx_cycle_t *cycle);
 
 
@@ -802,29 +803,15 @@ ngx_int_t
 ngx_conf_full_name(ngx_cycle_t *cycle, ngx_str_t *name, ngx_uint_t conf_prefix)
 {
     size_t      len;
-    u_char     *p, *prefix;
-    ngx_str_t   old;
+    u_char     *p, *n, *prefix;
+    ngx_int_t   rc;
 
-#if (NGX_WIN32)
+    rc = ngx_conf_test_full_name(name);
 
-    if (name->len > 2
-        && name->data[1] == ':'
-        && ((name->data[0] >= 'a' && name->data[0] <= 'z')
-             || (name->data[0] >= 'A' && name->data[0] <= 'Z')))
-    {
-        return NGX_OK;
+    if (rc == NGX_OK) {
+        return rc;
     }
 
-#else
-
-    if (name->data[0] == '/') {
-        return NGX_OK;
-    }
-
-#endif
-
-    old = *name;
-
     if (conf_prefix) {
         len = cycle->conf_prefix.len;
         prefix = cycle->conf_prefix.data;
@@ -834,19 +821,79 @@ ngx_conf_full_name(ngx_cycle_t *cycle, ngx_str_t *name, ngx_uint_t conf_prefix)
         prefix = cycle->prefix.data;
     }
 
-    name->len = len + old.len;
-    name->data = ngx_pnalloc(cycle->pool, name->len + 1);
-    if (name->data == NULL) {
+#if (NGX_WIN32)
+
+    if (rc == 2) {
+        len = rc;
+    }
+
+#endif
+
+    n = ngx_pnalloc(cycle->pool, len + name->len + 1);
+    if (n == NULL) {
         return NGX_ERROR;
     }
 
-    p = ngx_cpymem(name->data, prefix, len);
-    ngx_cpystrn(p, old.data, old.len + 1);
+    p = ngx_cpymem(n, prefix, len);
+    ngx_cpystrn(p, name->data, name->len + 1);
+
+    name->len += len;
+    name->data = n;
 
     return NGX_OK;
 }
 
 
+static ngx_int_t
+ngx_conf_test_full_name(ngx_str_t *name)
+{
+#if (NGX_WIN32)
+    u_char  c0, c1;
+
+    c0 = name->data[0];
+
+    if (name->len < 2) {
+        if (c0 == '/') {
+            return 2;
+        }
+
+        return NGX_DECLINED;
+    }
+
+    c1 = name->data[1];
+
+    if (c1 == ':') {
+        c0 |= 0x20;
+
+        if ((c0 >= 'a' && c0 <= 'z')) {
+            return NGX_OK;
+        }
+
+        return NGX_DECLINED;
+    }
+
+    if (c1 == '/') {
+        return NGX_OK;
+    }
+
+    if (c0 == '/') {
+        return 2;
+    }
+
+    return NGX_DECLINED;
+
+#else
+
+    if (name->data[0] == '/') {
+        return NGX_OK;
+    }
+
+    return NGX_DECLINED;
+
+#endif
+}
+
+
 ngx_open_file_t *
 ngx_conf_open_file(ngx_cycle_t *cycle, ngx_str_t *name)
 {

diff --git a/src/core/ngx_connection.c b/src/core/ngx_connection.c
index d4bb0648a62f32ee2cfd020fc365e198df0f8666..0a7fe847d6afb11458c35008e42079f22375b14d 100644 (file)
--- a/src/core/ngx_connection.c
+++ b/src/core/ngx_connection.c
@@ -603,6 +603,8 @@ ngx_close_listening_sockets(ngx_cycle_t *cycle)
             ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno,
                           ngx_close_socket_n " %V failed", &ls[i].addr_text);
         }
+
+        ls[i].fd = (ngx_socket_t) -1;
     }
 }
 

diff --git a/src/core/ngx_cycle.c b/src/core/ngx_cycle.c
index fc65765b0006de0056dffb487c64e3788225c89d..1e846f85dafab774c35976bf816d2ea857e5eea3 100644 (file)
--- a/src/core/ngx_cycle.c
+++ b/src/core/ngx_cycle.c
@@ -269,7 +269,6 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
                        cycle->conf_file.data);
     }
 
-
     for (i = 0; ngx_modules[i]; i++) {
         if (ngx_modules[i]->type != NGX_CORE_MODULE) {
             continue;
@@ -287,6 +286,9 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
         }
     }
 
+    if (ngx_process == NGX_PROCESS_SIGNALLER) {
+        return cycle;
+    }
 
     ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
 
@@ -463,11 +465,8 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
             goto failed;
         }
 
-        if (!shm_zone[i].shm.exists) {
-
-            if (ngx_init_zone_pool(cycle, &shm_zone[i]) != NGX_OK) {
-                goto failed;
-            }
+        if (ngx_init_zone_pool(cycle, &shm_zone[i]) != NGX_OK) {
+            goto failed;
         }
 
         if (shm_zone[i].init(&shm_zone[i], NULL) != NGX_OK) {
@@ -567,14 +566,12 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
         }
     }
 
-    if (ngx_process != NGX_PROCESS_SIGNALLER) {
-        if (ngx_open_listening_sockets(cycle) != NGX_OK) {
-            goto failed;
-        }
+    if (ngx_open_listening_sockets(cycle) != NGX_OK) {
+        goto failed;
+    }
 
-        if (!ngx_test_config) {
-            ngx_configure_listening_sockets(cycle);
-        }
+    if (!ngx_test_config) {
+        ngx_configure_listening_sockets(cycle);
     }
 
 
@@ -656,7 +653,8 @@ old_shm_zone_done:
 
     ls = old_cycle->listening.elts;
     for (i = 0; i < old_cycle->listening.nelts; i++) {
-        if (ls[i].remain) {
+
+        if (ls[i].remain || ls[i].fd == -1) {
             continue;
         }
 
@@ -885,8 +883,21 @@ ngx_init_zone_pool(ngx_cycle_t *cycle, ngx_shm_zone_t *zn)
 
     sp = (ngx_slab_pool_t *) zn->shm.addr;
 
+    if (zn->shm.exists) {
+
+        if (sp == sp->addr) {
+            return NGX_OK;
+        }
+
+        ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
+                      "shared zone \"%V\" has no equal addresses: %p vs %p",
+                      &zn->shm.name, sp->addr, sp);
+        return NGX_ERROR;
+    }
+
     sp->end = zn->shm.addr + zn->shm.size;
     sp->min_shift = 3;
+    sp->addr = zn->shm.addr;
 
 #if (NGX_HAVE_ATOMIC_OPS)
 

diff --git a/src/core/ngx_file.c b/src/core/ngx_file.c
index 450da5623f3780b1cc5751092a5041932912894f..3f47fc98b45bf38cdefc280d2e43f2996056149f 100644 (file)
--- a/src/core/ngx_file.c
+++ b/src/core/ngx_file.c
@@ -558,8 +558,14 @@ ngx_ext_rename_file(ngx_str_t *src, ngx_str_t *to, ngx_ext_rename_file_t *ext)
 
     err = ngx_errno;
 
-    if (err == NGX_ENOENT) {
-
+    if (err
+#if (NGX_WIN32)
+            == ERROR_PATH_NOT_FOUND
+#else
+            == NGX_ENOENT
+#endif
+       )
+    {
         if (!ext->create_path) {
             goto failed;
         }

diff --git a/src/core/ngx_slab.h b/src/core/ngx_slab.h
index 89c4687f620299c777d4031a1204619d2b39e80f..291e1b51e13ddcb9d4a6e1fc030c28f29e7a3190 100644 (file)
--- a/src/core/ngx_slab.h
+++ b/src/core/ngx_slab.h
@@ -39,6 +39,7 @@ typedef struct {
     u_char            zero;
 
     void             *data;
+    void             *addr;
 } ngx_slab_pool_t;
 
 

diff --git a/src/os/win32/ngx_files.c b/src/os/win32/ngx_files.c
index 4397b28a08d8b2593958147bb65aba03742a632e..b6f9bb645aad16903f20eac448e2c436a5315a43 100644 (file)
--- a/src/os/win32/ngx_files.c
+++ b/src/os/win32/ngx_files.c
@@ -269,7 +269,7 @@ ngx_win32_rename_file(ngx_str_t *from, ngx_str_t *to, ngx_log_t *log)
     for ( ;; ) {
         num = ngx_next_temp_number(collision);
 
-        ngx_sprintf(name + to->len, ".%0muA.DELETE", num);
+        ngx_sprintf(name + to->len, ".%0muA.DELETE%Z", num);
 
         if (MoveFile((const char *) to->data, (const char *) name) != 0) {
             break;
@@ -277,7 +277,8 @@ ngx_win32_rename_file(ngx_str_t *from, ngx_str_t *to, ngx_log_t *log)
 
         collision = 1;
 
-        ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, "MoveFile() failed");
+        ngx_log_error(NGX_LOG_CRIT, log, ngx_errno,
+                      "MoveFile() \"%s\" to \"%s\" failed", to->data, name);
     }
 
     if (MoveFile((const char *) from->data, (const char *) to->data) == 0) {
@@ -288,11 +289,14 @@ ngx_win32_rename_file(ngx_str_t *from, ngx_str_t *to, ngx_log_t *log)
     }
 
     if (DeleteFile((const char *) name) == 0) {
-        ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, "DeleteFile() failed");
+        ngx_log_error(NGX_LOG_CRIT, log, ngx_errno,
+                      "DeleteFile() \"%s\" failed", name);
     }
 
     if (rc == NGX_ERROR) {
-        ngx_log_error(NGX_LOG_CRIT, log, ngx_errno, "MoveFile() failed");
+        ngx_log_error(NGX_LOG_CRIT, log, ngx_errno,
+                      "MoveFile() \"%s\" to \"%s\" failed",
+                      from->data, to->data);
     }
 
     /* mutex_unlock() */

diff --git a/src/os/win32/ngx_process.c b/src/os/win32/ngx_process.c
index bbc7afa9e537de71a07b155488375f52548efb32..e7c283612977006511f7a3171c59fdc88dba45c3 100644 (file)
--- a/src/os/win32/ngx_process.c
+++ b/src/os/win32/ngx_process.c
@@ -19,10 +19,11 @@ ngx_process_t    ngx_processes[NGX_MAX_PROCESSES];
 ngx_pid_t
 ngx_spawn_process(ngx_cycle_t *cycle, char *name, ngx_int_t respawn)
 {
-    u_long          rc, n;
+    u_long          rc, n, code;
     ngx_int_t       s;
     ngx_pid_t       pid;
     ngx_exec_ctx_t  ctx;
+    HANDLE          events[2];
     char            file[MAX_PATH + 1];
 
     if (respawn >= 0) {
@@ -79,12 +80,15 @@ ngx_spawn_process(ngx_cycle_t *cycle, char *name, ngx_int_t respawn)
     ngx_sprintf(ngx_processes[s].reopen_event, "ngx_%s_reopen_%ul%Z",
                 name, pid);
 
-    rc = WaitForSingleObject(ngx_master_process_event, 5000);
+    events[0] = ngx_master_process_event;
+    events[1] = ctx.child;
+
+    rc = WaitForMultipleObjects(2, events, 0, 5000);
 
     ngx_time_update(0, 0);
 
     ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0,
-                   "WaitForSingleObject: %ul", rc);
+                   "WaitForMultipleObjects: %ul", rc);
 
     switch (rc) {
 
@@ -126,6 +130,18 @@ ngx_spawn_process(ngx_cycle_t *cycle, char *name, ngx_int_t respawn)
 
         break;
 
+    case WAIT_OBJECT_0 + 1:
+        if (GetExitCodeProcess(ctx.child, &code) == 0) {
+            ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
+                          "GetExitCodeProcess(%P) failed", pid);
+        }
+
+        ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
+                      "%s process %P exited with code %Xul",
+                      name, pid, code);
+
+        goto failed;
+
     case WAIT_TIMEOUT:
         ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
                       "the event \"%s\" was not signaled for 5s",

diff --git a/src/os/win32/ngx_process_cycle.c b/src/os/win32/ngx_process_cycle.c
index d4fba8b3c52744eee182e4876ec68e48c28bab46..12b13d17e42e4776ea44a64947560802957f5273 100644 (file)
--- a/src/os/win32/ngx_process_cycle.c
+++ b/src/os/win32/ngx_process_cycle.c
@@ -14,7 +14,7 @@ static void ngx_process_init(ngx_cycle_t *cycle);
 static void ngx_console_init(ngx_cycle_t *cycle);
 static int __stdcall ngx_console_handler(u_long type);
 static ngx_int_t ngx_create_events(ngx_cycle_t *cycle);
-static void ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t type);
+static ngx_int_t ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t type);
 static void ngx_reopen_worker_processes(ngx_cycle_t *cycle);
 static void ngx_quit_worker_processes(ngx_cycle_t *cycle, ngx_uint_t old);
 static void ngx_terminate_worker_processes(ngx_cycle_t *cycle);
@@ -116,7 +116,9 @@ ngx_master_process_cycle(ngx_cycle_t *cycle)
 
     ngx_close_listening_sockets(cycle);
 
-    ngx_start_worker_processes(cycle, NGX_PROCESS_RESPAWN);
+    if (ngx_start_worker_processes(cycle, NGX_PROCESS_RESPAWN) == 0) {
+        exit(2);
+    }
 
     timer = 0;
     timeout = INFINITE;
@@ -206,8 +208,11 @@ ngx_master_process_cycle(ngx_cycle_t *cycle)
 
             ngx_cycle = cycle;
 
-            ngx_start_worker_processes(cycle, NGX_PROCESS_JUST_RESPAWN);
-            ngx_quit_worker_processes(cycle, 1);
+            ngx_close_listening_sockets(cycle);
+
+            if (ngx_start_worker_processes(cycle, NGX_PROCESS_JUST_RESPAWN)) {
+                ngx_quit_worker_processes(cycle, 1);
+            }
 
             continue;
         }
@@ -382,7 +387,7 @@ ngx_create_events(ngx_cycle_t *cycle)
 }
 
 
-static void
+static ngx_int_t
 ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t type)
 {
     ngx_int_t         n;
@@ -394,9 +399,11 @@ ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t type)
 
     for (n = 0; n < ccf->worker_processes; n++) {
         if (ngx_spawn_process(cycle, "worker", type) == NGX_INVALID_PID) {
-            return;
+            break;
         }
     }
+
+    return n;
 }
 
 
@@ -428,7 +435,7 @@ ngx_quit_worker_processes(ngx_cycle_t *cycle, ngx_uint_t old)
     for (n = 0; n < ngx_last_process; n++) {
 
         ngx_log_debug5(NGX_LOG_DEBUG_CORE, cycle->log, 0,
-                       "process: %d %P %p e:%d t:%d r:%d j:%d",
+                       "process: %d %P %p e:%d j:%d",
                        n,
                        ngx_processes[n].pid,
                        ngx_processes[n].handle,
@@ -495,7 +502,7 @@ ngx_reap_worker(ngx_cycle_t *cycle, HANDLE h)
         }
 
         if (GetExitCodeProcess(h, &code) == 0) {
-            ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
+            ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
                           "GetExitCodeProcess(%P) failed",
                           ngx_processes[n].pid);
         }
@@ -538,7 +545,7 @@ found:
     for (n = 0; n < ngx_last_process; n++) {
 
         ngx_log_debug5(NGX_LOG_DEBUG_CORE, cycle->log, 0,
-                       "process: %d %P %p e:%d t:%d r:%d j:%d",
+                       "process: %d %P %p e:%d j:%d",
                        n,
                        ngx_processes[n].pid,
                        ngx_processes[n].handle,

diff --git a/src/os/win32/ngx_shmem.c b/src/os/win32/ngx_shmem.c
index 667e37eaf0bc63f3463cb9e13092629825a432d7..e4b357a9744b37ec8e8330a249e5a25b114d9d31 100644 (file)
--- a/src/os/win32/ngx_shmem.c
+++ b/src/os/win32/ngx_shmem.c
@@ -11,27 +11,36 @@
 ngx_int_t
 ngx_shm_alloc(ngx_shm_t *shm)
 {
-    u_char  *name;
+    u_char    *name;
+    uint64_t   size;
 
     name = ngx_alloc(shm->name.len + 2 + sizeof(NGX_INT32_LEN), shm->log);
     if (name == NULL) {
         return NGX_ERROR;
     }
 
-    ngx_sprintf(name, "%V_%s%Z", &shm->name, ngx_unique);
+    (void) ngx_sprintf(name, "%V_%s%Z", &shm->name, ngx_unique);
 
     ngx_set_errno(0);
 
+    size = shm->size;
+
     shm->handle = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
-                                    0, shm->size, (char *) name);
+                                    (u_long) (size >> 32),
+                                    (u_long) (size & 0xffffffff),
+                                    (char *) name);
 
     if (shm->handle == NULL) {
         ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
                       "CreateFileMapping(%uz, %s) failed",
-                      shm->size, shm->name.data);
-        goto failed;
+                      shm->size, name);
+        ngx_free(name);
+
+        return NGX_ERROR;
     }
 
+    ngx_free(name);
+
     if (ngx_errno == ERROR_ALREADY_EXISTS) {
         shm->exists = 1;
     }
@@ -43,17 +52,15 @@ ngx_shm_alloc(ngx_shm_t *shm)
     }
 
     ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
-                  "MapViewOfFile(%uz) failed", shm->size);
+                  "MapViewOfFile(%uz) of file mapping \"%V\" failed",
+                  shm->size, &shm->name);
 
     if (CloseHandle(shm->handle) == 0) {
         ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
-                      "CloseHandle() failed");
+                      "CloseHandle() of file mapping \"%V\" failed",
+                      &shm->name);
     }
 
-failed:
-
-    ngx_free(name);
-
     return NGX_ERROR;
 }
 
@@ -63,11 +70,13 @@ ngx_shm_free(ngx_shm_t *shm)
 {
     if (UnmapViewOfFile(shm->addr) == 0) {
         ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
-                      "UnmapViewOfFile(%p) failed", shm->addr);
+                      "UnmapViewOfFile(%p) of file mapping \"%V\" failed",
+                      shm->addr, &shm->name);
     }
 
     if (CloseHandle(shm->handle) == 0) {
         ngx_log_error(NGX_LOG_ALERT, shm->log, ngx_errno,
-                      "CloseHandle() failed");
+                      "CloseHandle() of file mapping \"%V\" failed",
+                      &shm->name);
     }
 }