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unix: expose thread_stack_size() internally

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This function will be used by `uv__fsevents_loop_init` in a future
commit to determine the initial FSEvents pthread stack size.

PR-URL: https://github.com/libuv/libuv/pull/3132
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
This commit is contained in:
Brandon Cheng 2021-03-13 16:52:10 -05:00 committed by Santiago Gimeno
parent e24e5cbc2b
commit 054a495351
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GPG Key ID: F28C3C8DA33C03BE
2 changed files with 3 additions and 2 deletions
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1
src/unix/internal.h
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@ -261,6 +261,7 @@ void uv__prepare_close(uv_prepare_t* handle);
void uv__process_close(uv_process_t* handle); void uv__process_close(uv_process_t* handle);
void uv__stream_close(uv_stream_t* handle); void uv__stream_close(uv_stream_t* handle);
void uv__tcp_close(uv_tcp_t* handle); void uv__tcp_close(uv_tcp_t* handle);
size_t uv__thread_stack_size(void);
void uv__udp_close(uv_udp_t* handle); void uv__udp_close(uv_udp_t* handle);
void uv__udp_finish_close(uv_udp_t* handle); void uv__udp_finish_close(uv_udp_t* handle);
uv_handle_type uv__handle_type(int fd); uv_handle_type uv__handle_type(int fd);

4
src/unix/thread.c
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@ -168,7 +168,7 @@ void uv_barrier_destroy(uv_barrier_t* barrier) {
* On Linux, threads created by musl have a much smaller stack than threads * On Linux, threads created by musl have a much smaller stack than threads
* created by glibc (80 vs. 2048 or 4096 kB.) Follow glibc for consistency. * created by glibc (80 vs. 2048 or 4096 kB.) Follow glibc for consistency.
*/ */
static size_t thread_stack_size(void) { size_t uv__thread_stack_size(void) {
#if defined(__APPLE__) || defined(__linux__) #if defined(__APPLE__) || defined(__linux__)
struct rlimit lim; struct rlimit lim;
@ -234,7 +234,7 @@ int uv_thread_create_ex(uv_thread_t* tid,
attr = NULL; attr = NULL;
if (stack_size == 0) { if (stack_size == 0) {
stack_size = thread_stack_size(); stack_size = uv__thread_stack_size();
} else { } else {
pagesize = (size_t)getpagesize(); pagesize = (size_t)getpagesize();
/* Round up to the nearest page boundary. */ /* Round up to the nearest page boundary. */