diff options
Diffstat (limited to 'skip/qt5-qtwebengine/qt-musl-tid-caching.patch')
-rw-r--r-- | skip/qt5-qtwebengine/qt-musl-tid-caching.patch | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/skip/qt5-qtwebengine/qt-musl-tid-caching.patch b/skip/qt5-qtwebengine/qt-musl-tid-caching.patch new file mode 100644 index 0000000..acbee25 --- /dev/null +++ b/skip/qt5-qtwebengine/qt-musl-tid-caching.patch @@ -0,0 +1,81 @@ +--- ./src/3rdparty/chromium/sandbox/linux/services/namespace_sandbox.cc.orig ++++ ./src/3rdparty/chromium/sandbox/linux/services/namespace_sandbox.cc +@@ -209,6 +209,70 @@ + return base::LaunchProcess(argv, launch_options_copy); + } + ++#if defined(__aarch64__) || defined(__arm__) ++#define TLS_ABOVE_TP ++#endif ++ ++struct musl_pthread ++{ ++ /* Part 1 -- these fields may be external or ++ * internal (accessed via asm) ABI. Do not change. */ ++ struct pthread *self; ++#ifndef TLS_ABOVE_TP ++ uintptr_t *dtv; ++#endif ++ struct pthread *prev, *next; /* non-ABI */ ++ uintptr_t sysinfo; ++#ifndef TLS_ABOVE_TP ++#ifdef CANARY_PAD ++ uintptr_t canary_pad; ++#endif ++ uintptr_t canary; ++#endif ++ ++/* Part 2 -- implementation details, non-ABI. */ ++ int tid; ++ int errno_val; ++ volatile int detach_state; ++ volatile int cancel; ++ volatile unsigned char canceldisable, cancelasync; ++ unsigned char tsd_used:1; ++ unsigned char dlerror_flag:1; ++ unsigned char *map_base; ++ size_t map_size; ++ void *stack; ++ size_t stack_size; ++ size_t guard_size; ++ void *result; ++ struct __ptcb *cancelbuf; ++ void **tsd; ++ struct { ++ volatile void *volatile head; ++ long off; ++ volatile void *volatile pending; ++ } robust_list; ++ int h_errno_val; ++ volatile int timer_id; ++ locale_t locale; ++ volatile int killlock[1]; ++ char *dlerror_buf; ++ void *stdio_locks; ++ ++ /* Part 3 -- the positions of these fields relative to ++ * the end of the structure is external and internal ABI. */ ++#ifdef TLS_ABOVE_TP ++ uintptr_t canary; ++ uintptr_t *dtv; ++#endif ++}; ++ ++void MaybeUpdateMuslTidCache() ++{ ++ pid_t real_tid = sys_gettid(); ++ pid_t* cached_tid_location = &reinterpret_cast<struct musl_pthread*>(pthread_self())->tid; ++ *cached_tid_location = real_tid; ++} ++ + // static + pid_t NamespaceSandbox::ForkInNewPidNamespace(bool drop_capabilities_in_child) { + const pid_t pid = +@@ -226,6 +290,7 @@ + #if defined(LIBC_GLIBC) + MaybeUpdateGlibcTidCache(); + #endif ++ MaybeUpdateMuslTidCache(); + return 0; + } + |