155 lines
3.5 KiB
Diff
155 lines
3.5 KiB
Diff
From dc8bb6a53bfdfe42d9ae81d4e78c6155ad4bfd6e Mon Sep 17 00:00:00 2001
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From: Michael Heimpold <mhei@heimpold.de>
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Date: Sun, 17 May 2015 16:50:50 +0200
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Subject: [PATCH] ext/opcache: fix detection of shm/mmap
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The detection of sysvipc and mmap doesn't work well when cross-compiling,
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so I decided to only check for the availability of the functions involved.
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This is not a clean solution, but works for now(tm) :-)
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It should be discussed with upstream to find a better solution.
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This solves the issue reported at
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https://github.com/openwrt/packages/issues/1010
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and makes opcache usable on OpenWrt.
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Signed-off-by: Michael Heimpold <mhei@heimpold.de>
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---
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ext/opcache/config.m4 | 122 ++-----------------------------------------------
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1 file changed, 4 insertions(+), 118 deletions(-)
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--- a/ext/opcache/config.m4
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+++ b/ext/opcache/config.m4
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@@ -11,127 +11,13 @@ if test "$PHP_OPCACHE" != "no"; then
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AC_DEFINE(HAVE_MPROTECT, 1, [Define if you have mprotect() function])
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])
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- AC_MSG_CHECKING(for sysvipc shared memory support)
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- AC_TRY_RUN([
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-#include <sys/types.h>
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-#include <sys/wait.h>
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-#include <sys/ipc.h>
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-#include <sys/shm.h>
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-#include <unistd.h>
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-#include <string.h>
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-
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-int main() {
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- pid_t pid;
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- int status;
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- int ipc_id;
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- char *shm;
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- struct shmid_ds shmbuf;
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-
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- ipc_id = shmget(IPC_PRIVATE, 4096, (IPC_CREAT | SHM_R | SHM_W));
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- if (ipc_id == -1) {
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- return 1;
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- }
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-
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- shm = shmat(ipc_id, NULL, 0);
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- if (shm == (void *)-1) {
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- shmctl(ipc_id, IPC_RMID, NULL);
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- return 2;
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- }
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-
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- if (shmctl(ipc_id, IPC_STAT, &shmbuf) != 0) {
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- shmdt(shm);
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- shmctl(ipc_id, IPC_RMID, NULL);
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- return 3;
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- }
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-
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- shmbuf.shm_perm.uid = getuid();
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- shmbuf.shm_perm.gid = getgid();
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- shmbuf.shm_perm.mode = 0600;
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-
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- if (shmctl(ipc_id, IPC_SET, &shmbuf) != 0) {
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- shmdt(shm);
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- shmctl(ipc_id, IPC_RMID, NULL);
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- return 4;
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- }
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-
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- shmctl(ipc_id, IPC_RMID, NULL);
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-
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- strcpy(shm, "hello");
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-
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- pid = fork();
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- if (pid < 0) {
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- return 5;
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- } else if (pid == 0) {
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- strcpy(shm, "bye");
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- return 6;
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- }
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- if (wait(&status) != pid) {
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- return 7;
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- }
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- if (!WIFEXITED(status) || WEXITSTATUS(status) != 6) {
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- return 8;
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- }
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- if (strcmp(shm, "bye") != 0) {
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- return 9;
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- }
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- return 0;
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-}
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-],dnl
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+ AC_CHECK_FUNC(shmget,[
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AC_DEFINE(HAVE_SHM_IPC, 1, [Define if you have SysV IPC SHM support])
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- msg=yes,msg=no,msg=no)
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- AC_MSG_RESULT([$msg])
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-
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- AC_MSG_CHECKING(for mmap() using MAP_ANON shared memory support)
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- AC_TRY_RUN([
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-#include <sys/types.h>
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-#include <sys/wait.h>
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-#include <sys/mman.h>
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-#include <unistd.h>
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-#include <string.h>
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-
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-#ifndef MAP_ANON
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-# ifdef MAP_ANONYMOUS
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-# define MAP_ANON MAP_ANONYMOUS
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-# endif
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-#endif
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-#ifndef MAP_FAILED
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-# define MAP_FAILED ((void*)-1)
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-#endif
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-
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-int main() {
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- pid_t pid;
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- int status;
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- char *shm;
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-
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- shm = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
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- if (shm == MAP_FAILED) {
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- return 1;
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- }
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-
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- strcpy(shm, "hello");
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+ ])
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- pid = fork();
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- if (pid < 0) {
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- return 5;
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- } else if (pid == 0) {
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- strcpy(shm, "bye");
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- return 6;
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- }
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- if (wait(&status) != pid) {
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- return 7;
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- }
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- if (!WIFEXITED(status) || WEXITSTATUS(status) != 6) {
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- return 8;
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- }
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- if (strcmp(shm, "bye") != 0) {
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- return 9;
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- }
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- return 0;
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-}
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-],dnl
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+ AC_CHECK_FUNC(mmap,[
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AC_DEFINE(HAVE_SHM_MMAP_ANON, 1, [Define if you have mmap(MAP_ANON) SHM support])
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- msg=yes,msg=no,msg=no)
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- AC_MSG_RESULT([$msg])
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+ ])
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AC_MSG_CHECKING(for mmap() using /dev/zero shared memory support)
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AC_TRY_RUN([
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