# HG changeset patch
# User Igor Sysoev <igor@sysoev.ru>
# Date 1087492733 0
# Node ID 0a03c921c81d5c75b554a72f1d7f217206e5532f
# Parent  e260514b9ad4fae087cb402f3f40d4bb0632995b
nginx-0.0.7-2004-06-17-21:18:53 import

diff --git a/auto/feature b/auto/feature
new file mode 100644
--- /dev/null
+++ b/auto/feature
@@ -0,0 +1,53 @@
+
+echo $ngx_n "checking for $ngx_feature ..." $ngx_c
+echo >> $NGX_ERR
+echo "checking for $ngx_feature" >> $NGX_ERR
+
+ngx_found=no
+
+feature=`echo $ngx_feature_name | tr '[a-z]' '[A-Z]'`
+
+cat << END > $NGX_AUTOTEST.c
+
+#include <sys/types.h>
+$NGX_UNISTD_H
+$ngx_feature_inc
+
+int main() {
+    $ngx_feature_test;
+    return 0;
+}
+
+END
+
+test="$CC_WARN $CC_TEST_FLAGS -o $NGX_AUTOTEST $NGX_AUTOTEST.c \
+      $ngx_feature_libs"
+eval "$test >> $NGX_ERR 2>&1"
+
+if [ -x $NGX_AUTOTEST ]; then
+
+    if [ $ngx_feature_run = yes ]; then
+       if $NGX_AUTOTEST 2>&1 > /dev/null; then
+           echo " found"
+           have=HAVE_$feature . auto/have
+           ngx_found=yes
+       else
+           echo " found but is not working"
+       fi
+
+    else
+       echo " found"
+       have=HAVE_$feature . auto/have
+       ngx_found=yes
+    fi
+
+else
+    echo " not found"
+    echo "---------" >> $NGX_ERR
+    cat $NGX_AUTOTEST.c >> $NGX_ERR
+    echo "---------" >> $NGX_ERR
+    echo $test >> $NGX_ERR
+    echo "---------" >> $NGX_ERR
+fi
+
+rm $NGX_AUTOTEST*
diff --git a/auto/func b/auto/func
--- a/auto/func
+++ b/auto/func
@@ -5,7 +5,7 @@ echo "checking for $ngx_func" >> $NGX_ER
 
 ngx_found=no
 
-func=`echo $ngx_func | sed -e 's/()$//' | tr '[a-z.]' '[A-Z_]'`
+func=`echo $ngx_func | sed -e 's/()$//' | tr '[a-z]' '[A-Z]'`
 
 cat << END > $NGX_AUTOTEST.c
 
@@ -20,8 +20,8 @@ int main() {
 
 END
 
-eval "$CC_WARN $CC_TEST_FLAGS -o $NGX_AUTOTEST $NGX_AUTOTEST.c $ngx_func_libs \
-     >> $NGX_ERR 2>&1"
+test="$CC_WARN $CC_TEST_FLAGS -o $NGX_AUTOTEST $NGX_AUTOTEST.c $ngx_func_libs"
+eval "$test >> $NGX_ERR 2>&1"
 
 if [ -x $NGX_AUTOTEST ]; then
     echo " found"
@@ -30,6 +30,11 @@ if [ -x $NGX_AUTOTEST ]; then
 
 else
     echo " not found"
+    echo "---------" >> $NGX_ERR
+    cat $NGX_AUTOTEST.c >> $NGX_ERR
+    echo "---------" >> $NGX_ERR
+    echo $test >> $NGX_ERR
+    echo "---------" >> $NGX_ERR
 fi
 
 rm $NGX_AUTOTEST*
diff --git a/auto/sources b/auto/sources
--- a/auto/sources
+++ b/auto/sources
@@ -105,6 +105,7 @@ UNIX_DEPS="$CORE_DEPS $EVENT_DEPS \
             src/os/unix/ngx_errno.h \
             src/os/unix/ngx_alloc.h \
             src/os/unix/ngx_files.h \
+            src/os/unix/ngx_shared.h \
             src/os/unix/ngx_process.h \
             src/os/unix/ngx_thread.h \
             src/os/unix/ngx_socket.h \
@@ -120,8 +121,9 @@ UNIX_SRCS="$CORE_SRCS $EVENT_SRCS \
             src/os/unix/ngx_recv.c \
             src/os/unix/ngx_readv_chain.c \
             src/os/unix/ngx_writev_chain.c \
+            src/os/unix/ngx_shared.c \
+            src/os/unix/ngx_process.c \
             src/os/unix/ngx_daemon.c \
-            src/os/unix/ngx_process.c \
             src/os/unix/ngx_posix_init.c \
             src/os/unix/ngx_process_cycle.c"
 
@@ -152,6 +154,7 @@ WIN32_DEPS="$CORE_DEPS $EVENT_DEPS \
             src/os/win32/ngx_errno.h \
             src/os/win32/ngx_alloc.h \
             src/os/win32/ngx_files.h \
+            src/os/win32/ngx_shared.h \
             src/os/win32/ngx_process.h \
             src/os/win32/ngx_socket.h \
             src/os/win32/ngx_os.h \
diff --git a/auto/unix b/auto/unix
--- a/auto/unix
+++ b/auto/unix
@@ -40,14 +40,6 @@ ngx_types="int"; . auto/types/typedef
 . auto/types/uintptr_t
 
 
-ngx_func="sin_len"
-ngx_func_inc="#include <sys/socket.h>
-#include <netinet/in.h>"
-
-ngx_func_test="struct sockaddr_in sa; sa.sin_len = 5"
-. auto/func
-
-
 # printf() formats
 
 CC_WARN=$CC_STRONG
@@ -71,19 +63,21 @@ ngx_fmt_name=RLIM_T_FMT; ngx_type="rlim_
 eval ngx_formats=\${ngx_${ngx_bytes}_fmt}; . auto/fmt/fmt
 
 
-# syscalls and libc calls
+# syscalls, libc calls and some features
+
+ngx_feature_libs=
+ngx_func_libs=
+
 
 ngx_func="pread()"
 ngx_func_inc=
-ngx_func_test="char buf[1]; ssize_t n;
-               n = pread(0, buf, 1, 0)"
+ngx_func_test="char buf[1]; ssize_t n; n = pread(0, buf, 1, 0)"
 . auto/func
 
 
 ngx_func="pwrite()"
 ngx_func_inc=
-ngx_func_test="char buf[1]; ssize_t n;
-               n = pwrite(1, buf, 1, 0)"
+ngx_func_test="char buf[1]; ssize_t n; n = pwrite(1, buf, 1, 0)"
 . auto/func
 
 
@@ -113,7 +107,7 @@ ngx_func_test="struct tm t; time_t c=0; 
 
 ngx_func="posix_memalign()"
 ngx_func_inc="#include <stdlib.h>"
-ngx_func_test="void *p, int n; n = posix_memalign(&p, 4096, 4096)"
+ngx_func_test="void *p; int n; n = posix_memalign(&p, 4096, 4096)"
 . auto/func
 
 
@@ -123,13 +117,76 @@ ngx_func_test="void *p; p = memalign(409
 . auto/func
 
 
-ngx_func="msghdr.msg_control"
-ngx_func_inc="#include <sys/socket.h>"
-ngx_func_test="struct msghdr  msg; msg.msg_control = NULL"
-. auto/func
+
+ngx_feature="mmap(MAP_ANON|MAP_SHARED)"
+ngx_feature_name="MAP_ANON"
+ngx_feature_inc="#include <sys/mman.h>"
+ngx_feature_test="void *p;
+                  p = mmap(NULL, 4096, PROT_READ|PROT_WRITE,
+                           MAP_ANON|MAP_SHARED, -1, 0);
+                  if (p == MAP_FAILED) return 1;"
+ngx_feature_run=yes
+. auto/feature
+
+
+ngx_feature='mmap("/dev/zero", MAP_SHARED)'
+ngx_feature_name="MAP_DEVZERO"
+ngx_feature_inc="#include <sys/mman.h>
+#include <sys/stat.h>
+#include <fcntl.h>"
+ngx_feature_test='void *p; int  fd;
+                  fd = open("/dev/zero", O_RDWR);
+                  p = mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
+                  if (p == MAP_FAILED) return 1;'
+. auto/feature
+
+
+ngx_feature="System V shared memory"
+ngx_feature_name="SYSVSHM"
+ngx_feature_inc="#include <sys/ipc.h>
+#include <sys/shm.h>"
+ngx_feature_test="int  id;
+                  id = shmget(IPC_PRIVATE, 4096, (SHM_R|SHM_W|IPC_CREAT));
+                  if (id == -1) return 1;
+                  shmctl(id, IPC_RMID, NULL);"
+. auto/feature
+
 
 
-ngx_func="FIONBIO"
-ngx_func_inc="#include <sys/filio.h>"
-ngx_func_test="int i; i = FIONBIO"
-. auto/func
+ngx_feature="struct sockaddr_in.sin_len"
+ngx_feature_name="sin_len"
+ngx_feature_inc="#include <sys/socket.h>
+#include <netinet/in.h>"
+ngx_feature_test="struct sockaddr_in sa; sa.sin_len = 5"
+ngx_feature_run=no
+. auto/feature
+
+
+ngx_feature="struct msghdr.msg_control"
+ngx_feature_name="msghdr_msg_control"
+ngx_feature_inc="#include <sys/socket.h>"
+ngx_feature_test="struct msghdr  msg; msg.msg_control = NULL"
+. auto/feature
+
+
+case $PLATFORM in
+    Linux:*)
+        ngx_feature_inc="#include <sys/ioctl.h>"
+    ;;
+
+    *)
+        ngx_feature_inc="#include <sys/filio.h>"
+    ;;
+esac
+
+ngx_feature="ioctl(FIONBIO)"
+ngx_feature_name="FIONBIO"
+ngx_feature_test="int i; i = FIONBIO"
+. auto/feature
+
+
+ngx_feature="struct tm.tm_gmtoff"
+ngx_feature_name="gmtoff"
+ngx_feature_inc="#include <time.h>"
+ngx_feature_test="struct tm  tm; tm.tm_gmtoff = 0"
+. auto/feature
diff --git a/src/core/ngx_core.h b/src/core/ngx_core.h
--- a/src/core/ngx_core.h
+++ b/src/core/ngx_core.h
@@ -19,6 +19,7 @@ typedef struct ngx_connection_s  ngx_con
 #include <ngx_time.h>
 #include <ngx_socket.h>
 #include <ngx_errno.h>
+#include <ngx_shared.h>
 #include <ngx_process.h>
 #include <ngx_thread.h>
 #include <ngx_user.h>
diff --git a/src/core/ngx_times.c b/src/core/ngx_times.c
--- a/src/core/ngx_times.c
+++ b/src/core/ngx_times.c
@@ -123,15 +123,20 @@ void ngx_time_update(time_t s)
     ngx_cached_http_time.data = p;
 
 
-#if (HAVE_TIMEZONE)
+#if (HAVE_GETTIMEZONE)
+
+    ngx_gmtoff = ngx_gettimezone();
+    ngx_gmtime(ngx_cached_time + ngx_gmtoff * 60, &tm);
 
-    ngx_gmtoff = ngx_timezone();
-    ngx_gmtime(ngx_cached_time + ngx_gmtoff * 60, &tm);
+#elif (HAVE_GMTOFF)
+
+    ngx_localtime(&tm);
+    ngx_gmtoff = tm.ngx_tm_gmtoff / 60;
 
 #else
 
     ngx_localtime(&tm);
-    ngx_gmtoff = tm.ngx_tm_gmtoff / 60;
+    ngx_gmtoff = ngx_timezone(tm.ngx_tm_isdst);
 
 #endif
 
diff --git a/src/event/ngx_event.c b/src/event/ngx_event.c
--- a/src/event/ngx_event.c
+++ b/src/event/ngx_event.c
@@ -187,6 +187,7 @@ static ngx_int_t ngx_event_module_init(n
     size = 128            /* ngx_accept_mutex */
            + 128;         /* ngx_connection_counter */
 
+#if 0
     shared = mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_ANON|MAP_SHARED, -1, 0);
 
     if (shared == MAP_FAILED) {
@@ -194,6 +195,11 @@ static ngx_int_t ngx_event_module_init(n
                       "mmap(MAP_ANON|MAP_SHARED) failed");
         return NGX_ERROR;
     }
+#endif
+
+    if (!(shared = ngx_create_shared_memory(size, cycle->log))) {
+        return NGX_ERROR;
+    }
 
     ngx_accept_mutex_ptr = (ngx_atomic_t *) shared;
     ngx_connection_counter = (ngx_atomic_t *) (shared + 128);
@@ -611,7 +617,7 @@ static void *ngx_event_create_conf(ngx_c
                   NGX_CONF_ERROR);
 
     ecf->connections = NGX_CONF_UNSET_UINT;
-    ecf->use = NGX_CONF_UNSET;
+    ecf->use = NGX_CONF_UNSET_UINT;
     ecf->multi_accept = NGX_CONF_UNSET;
     ecf->accept_mutex = NGX_CONF_UNSET;
     ecf->accept_mutex_delay = NGX_CONF_UNSET_MSEC;
@@ -694,9 +700,9 @@ static char *ngx_event_init_conf(ngx_cyc
         return NGX_CONF_ERROR;
     }
 
-    ngx_conf_unsigned_init_value(ecf->connections, DEFAULT_CONNECTIONS);
+    ngx_conf_init_unsigned_value(ecf->connections, DEFAULT_CONNECTIONS);
 
-    ngx_conf_unsigned_init_value(ecf->use, m);
+    ngx_conf_init_unsigned_value(ecf->use, m);
     ngx_conf_init_ptr_value(ecf->name, module->name->data);
 
 #endif
diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -943,7 +943,8 @@ static ngx_int_t ngx_http_process_reques
          * in CPU cache
          */
 
-        ua = ngx_strstr(r->headers_in.user_agent->value.data, "MSIE");
+        ua = (u_char *) ngx_strstr(r->headers_in.user_agent->value.data,
+                                   "MSIE");
         if (ua
             && ua + 8 < r->headers_in.user_agent->value.data
                                          + r->headers_in.user_agent->value.len)
diff --git a/src/os/unix/ngx_linux_config.h b/src/os/unix/ngx_linux_config.h
--- a/src/os/unix/ngx_linux_config.h
+++ b/src/os/unix/ngx_linux_config.h
@@ -41,11 +41,6 @@
 #include <netinet/tcp.h>        /* TCP_CORK */
 
 
-/* Linux has no <sys/filio.h> so autoconfigure does not find FIONBIO */
-#ifndef HAVE_FIONBIO
-#define HAVE_FIONBIO  1
-#endif
-
 #include <ngx_auto_config.h>
 
 
diff --git a/src/os/unix/ngx_shared.c b/src/os/unix/ngx_shared.c
new file mode 100644
--- /dev/null
+++ b/src/os/unix/ngx_shared.c
@@ -0,0 +1,91 @@
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+
+
+#if (HAVE_MAP_ANON)
+
+void *ngx_create_shared_memory(size_t size, ngx_log_t *log)
+{
+    void  *p;
+
+    p = mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_ANON|MAP_SHARED, -1, 0);
+
+    if (p == MAP_FAILED) {
+        ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
+                      "mmap(MAP_ANON|MAP_SHARED, " SIZE_T_FMT ") failed",
+                      size);
+        return NULL;
+    }
+
+    return p;
+}
+
+#elif (HAVE_MAP_DEVZERO)
+
+void *ngx_create_shared_memory(size_t size, ngx_log_t *log)
+{
+    void      *p;
+    ngx_fd_t   fd;
+
+    fd = open("/dev/zero", O_RDWR);
+
+    if (fd == -1) {
+        ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
+                      "open(/dev/zero) failed");
+        return NULL;
+    }
+
+    p = mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
+
+    if (p == MAP_FAILED) {
+        ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
+                      "mmap(/dev/zero, MAP_SHARED, " SIZE_T_FMT ") failed",
+                      size);
+        p = NULL;
+    }
+
+    if (close(fd) == -1) {
+        ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "close() failed");
+    }
+
+    return p;
+}
+
+#elif (HAVE_SYSVSHM)
+
+#include <sys/ipc.h>
+#include <sys/shm.h>
+
+
+void *ngx_create_shared_memory(size_t size, ngx_log_t *log)
+{
+    int    id;
+    void  *p;
+
+    id = shmget(IPC_PRIVATE, size, (SHM_R|SHM_W|IPC_CREAT));
+
+    if (id == -1) {
+        ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
+                      "shmget(" SIZE_T_FMT ") failed", size);
+        return NULL;
+    }
+
+    ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "shmget id: %d", id);
+
+    p = shmat(id, NULL, 0);
+
+    if (p == (void *) -1) {
+        ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "shmat() failed");
+        p = NULL;
+    }
+
+    if (shmctl(id, IPC_RMID, NULL) == -1) {
+        ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "shmctl(IPC_RMID) failed");
+        p = NULL;
+    }
+
+    return p;
+}
+
+#endif
diff --git a/src/os/unix/ngx_shared.h b/src/os/unix/ngx_shared.h
new file mode 100644
--- /dev/null
+++ b/src/os/unix/ngx_shared.h
@@ -0,0 +1,12 @@
+#ifndef _NGX_SHARED_H_INCLUDED_
+#define _NGX_SHARED_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+
+
+void *ngx_create_shared_memory(size_t size, ngx_log_t *log);
+
+
+#endif /* _NGX_SHARED_H_INCLUDED_ */
diff --git a/src/os/unix/ngx_time.h b/src/os/unix/ngx_time.h
--- a/src/os/unix/ngx_time.h
+++ b/src/os/unix/ngx_time.h
@@ -9,7 +9,6 @@
 typedef uint64_t       ngx_epoch_msec_t;
 
 typedef ngx_int_t      ngx_msec_t;
-#define NGX_MAX_MSEC   (ngx_msec_t) -1
 
 typedef struct tm      ngx_tm_t;
 
@@ -20,11 +19,7 @@ typedef struct tm      ngx_tm_t;
 #define ngx_tm_mon     tm_mon
 #define ngx_tm_year    tm_year
 #define ngx_tm_wday    tm_wday
-#define ngx_tm_gmtoff  tm_gmtoff
-
-#ifndef SOLARIS
-#define ngx_tm_zone    tm_zone
-#endif
+#define ngx_tm_isdst   tm_isdst
 
 #define ngx_tm_sec_t   int
 #define ngx_tm_min_t   int
@@ -35,16 +30,14 @@ typedef struct tm      ngx_tm_t;
 #define ngx_tm_wday_t  int
 
 
-#if (SOLARIS)
-#define HAVE_TIMEZONE  1
-
-#define ngx_timezone() (- (daylight ? altzone : timezone) / 60)
+#if (HAVE_GMTOFF)
+#define ngx_tm_gmtoff  tm_gmtoff
+#define ngx_tm_zone    tm_zone
+#endif
 
-#elif defined __linux__
-#define HAVE_TIMEZONE  1
 
-#define ngx_timezone() (- timezone / 60 + daylight * 60)
-
+#if (SOLARIS)
+#define ngx_timezone(isdst) (- (isdst ? altzone : timezone) / 60)
 #endif
 
 
diff --git a/src/os/win32/ngx_shared.h b/src/os/win32/ngx_shared.h
new file mode 100644
--- /dev/null
+++ b/src/os/win32/ngx_shared.h
@@ -0,0 +1,12 @@
+#ifndef _NGX_SHARED_H_INCLUDED_
+#define _NGX_SHARED_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+
+
+void *ngx_create_shared_memory(size_t size, ngx_log_t *log);
+
+
+#endif /* _NGX_SHARED_H_INCLUDED_ */
diff --git a/src/os/win32/ngx_time.c b/src/os/win32/ngx_time.c
--- a/src/os/win32/ngx_time.c
+++ b/src/os/win32/ngx_time.c
@@ -31,7 +31,7 @@ void ngx_gettimeofday(struct timeval *tp
 }
 
 
-ngx_int_t ngx_timezone(void)
+ngx_int_t ngx_gettimezone(void)
 {
     TIME_ZONE_INFORMATION  tz;
 
diff --git a/src/os/win32/ngx_time.h b/src/os/win32/ngx_time.h
--- a/src/os/win32/ngx_time.h
+++ b/src/os/win32/ngx_time.h
@@ -9,7 +9,6 @@
 typedef uint64_t       ngx_epoch_msec_t;
 
 typedef ngx_int_t      ngx_msec_t;
-#define NGX_MAX_MSEC   (ngx_msec_t) -1
 
 
 typedef SYSTEMTIME     ngx_tm_t;
@@ -32,11 +31,11 @@ typedef FILETIME       ngx_mtime_t;
 #define ngx_tm_wday_t  u_short
 
 
-#define ngx_msleep     Sleep
+#define ngx_msleep       Sleep
 
-#define HAVE_TIMEZONE  1
+#define HAVE_GETIMEZONE  1
 
-ngx_int_t ngx_timezone(void);
+ngx_int_t ngx_gettimezone(void);
 void ngx_gettimeofday(struct timeval *tp);