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author | Elliott Hughes <enh@google.com> | 2017-09-26 11:39:36 -0700 |
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committer | Elliott Hughes <enh@google.com> | 2017-09-27 16:29:42 +0000 |
commit | f2a1b12f2e689c2ef116c955f42c640f5c344487 (patch) | |
tree | b534185587562a687124834f1b443cd42e694ec1 | |
parent | 52cd1e7a4202799d71f2400381e94307599aef5b (diff) | |
download | bionic-f2a1b12f2e689c2ef116c955f42c640f5c344487.tar.gz |
Include strerror(errno) in __init_tls abort messages.
Bug: http://b/66911122
Bug: 64709603 (presubmit balking at the line above)
Test: ran tests
Change-Id: I068a388f8ea31012e7e07e8bded1c113796a8440
Merged-In: I068a388f8ea31012e7e07e8bded1c113796a8440
-rw-r--r-- | libc/bionic/pthread_create.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libc/bionic/pthread_create.cpp b/libc/bionic/pthread_create.cpp index 9197aa3fe..ff972c3ec 100644 --- a/libc/bionic/pthread_create.cpp +++ b/libc/bionic/pthread_create.cpp @@ -59,13 +59,13 @@ void __init_tls(pthread_internal_t* thread) { size_t allocation_size = BIONIC_TLS_SIZE + 2 * PAGE_SIZE; void* allocation = mmap(nullptr, allocation_size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); if (allocation == MAP_FAILED) { - async_safe_fatal("failed to allocate TLS"); + async_safe_fatal("failed to allocate TLS: %s", strerror(errno)); } prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, allocation, allocation_size, "bionic TLS guard page"); thread->bionic_tls = reinterpret_cast<bionic_tls*>(static_cast<char*>(allocation) + PAGE_SIZE); if (mprotect(thread->bionic_tls, BIONIC_TLS_SIZE, PROT_READ | PROT_WRITE) != 0) { - async_safe_fatal("failed to mprotect TLS"); + async_safe_fatal("failed to mprotect TLS: %s", strerror(errno)); } prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, thread->bionic_tls, BIONIC_TLS_SIZE, "bionic TLS"); } |