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Apply fixup to cthread initialization (#301)

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Cosmopolitan Threads are currently Linux-only (with some NetBSD
and Windows support too!). This change ensures we only initialize
the high-level threading runtime when Cosmopolitan Threads are used.
This commit is contained in:
Justine Tunney 2021-10-25 16:22:10 -07:00
parent 45a7435788
commit 91d783352a
3 changed files with 13 additions and 9 deletions
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9
libc/thread/create.c
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@ -26,18 +26,17 @@
#include "libc/sysv/consts/prot.h"
#include "libc/thread/create.h"
STATIC_YOINK("_main_thread_ctor");
// TLS boundaries
extern char _tbss_start, _tbss_end, _tdata_start, _tdata_end;
static cthread_t _thread_allocate(const cthread_attr_t* attr) {
//extern void _main_thread_init(void);
//void (*dummy)(void) = &_main_thread_init;
//asm(""::"r"(dummy));
size_t stacksize = attr->stacksize;
size_t guardsize = attr->guardsize;
size_t tbsssize = &_tbss_end - &_tbss_start;
size_t tbsssize = &_tbss_end - &_tbss_start;
size_t tdatasize = &_tdata_end - &_tdata_start;
size_t tlssize = tbsssize + tdatasize;
size_t tlssize = tbsssize + tdatasize;
size_t totalsize =
3 * guardsize + stacksize + tlssize + sizeof(struct cthread_descriptor_t);