github.com/afumu/libc@v0.0.6/musl/src/env/__reset_tls.c (about)

     1  #include <string.h>
     2  #include "pthread_impl.h"
     3  #include "libc.h"
     4  
     5  void __reset_tls()
     6  {
     7  	pthread_t self = __pthread_self();
     8  	struct tls_module *p;
     9  	size_t i, n = self->dtv[0];
    10  	if (n) for (p=libc.tls_head, i=1; i<=n; i++, p=p->next) {
    11  		char *mem = (char *)(self->dtv[i] - DTP_OFFSET);
    12  		memcpy(mem, p->image, p->len);
    13  		memset(mem+p->len, 0, p->size - p->len);
    14  	}
    15  }