diff options
Diffstat (limited to 'libpthread/linuxthreads.old/manager.c')
| -rw-r--r-- | libpthread/linuxthreads.old/manager.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/libpthread/linuxthreads.old/manager.c b/libpthread/linuxthreads.old/manager.c index 204344aef..3e42ccb85 100644 --- a/libpthread/linuxthreads.old/manager.c +++ b/libpthread/linuxthreads.old/manager.c @@ -381,7 +381,7 @@ static int pthread_allocate_stack(const pthread_attr_t *attr, attributes (stack_size = STACK_SIZE - pagesize) do not need a guard page, since the RLIMIT_STACK soft limit prevents stacks from running into one another. */ - if (stacksize == STACK_SIZE - pagesize) + if (stacksize == (size_t) (STACK_SIZE - pagesize)) { /* We don't need a guard page. */ guardaddr = NULL; @@ -498,6 +498,14 @@ static int pthread_handle_create(pthread_t *thread, const pthread_attr_t *attr, &new_thread, &new_thread_bottom, &guardaddr, &guardsize) == 0) break; +#ifndef __ARCH_HAS_MMU__ + else + /* When there is MMU, mmap () is used to allocate the stack. If one + * segment is already mapped, we should continue to see if we can + * use the next one. However, when there is no MMU, malloc () is used. + * It's waste of CPU cycles to continue to try if it fails. */ + return EAGAIN; +#endif } __pthread_handles_num++; /* Allocate new thread identifier */ @@ -868,7 +876,7 @@ static void pthread_handle_exit(pthread_descr issuing_thread, int exitcode) /* Handler for __pthread_sig_cancel in thread manager thread */ -void __pthread_manager_sighandler(int sig) +void __pthread_manager_sighandler(int sig attribute_unused) { int kick_manager = terminated_children == 0 && main_thread_exiting; terminated_children = 1; |