release-request-ca7a0f27-e01e-4493-95dc-73b265f88cc9-for-git_oc-mr1-release-4365318 snap-temp-L33600000106883904
Change-Id: I1433ee623ac372956bb8a345bfc4206b602ef8ad
diff --git a/libc/bionic/pthread_create.cpp b/libc/bionic/pthread_create.cpp
index 9197aa3..ff972c3 100644
--- a/libc/bionic/pthread_create.cpp
+++ b/libc/bionic/pthread_create.cpp
@@ -59,13 +59,13 @@
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");
}
