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plugin/ugreen: Fix error handling for mmap()

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This commit is contained in:
Alchan Kim
2015-05-13 19:42:31 +09:00
parent f514134293
commit 0bfbf7613b
1 changed files with 4 additions and 5 deletions
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plugins/ugreen/ugreen.c
+4 -5
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@@ -99,15 +99,14 @@ static int u_green_init() {
for(i=0;i<uwsgi.async;i++) {
getcontext(&ug.contexts[i]);
ug.contexts[i].uc_stack.ss_sp = mmap(NULL, ug.u_stack_size + (uwsgi.page_size*2) , PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE, -1, 0) + uwsgi.page_size;
if (ug.contexts[i].uc_stack.ss_sp == MAP_FAILED) {
void *page_base_ptr = mmap(NULL, ug.u_stack_size + (uwsgi.page_size*2) , PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE, -1, 0);
if (page_base_ptr == MAP_FAILED) {
uwsgi_error("mmap()");
exit(1);
}
ug.contexts[i].uc_stack.ss_sp = page_base_ptr + uwsgi.page_size;
// set guard pages for stack
if (mprotect(ug.contexts[i].uc_stack.ss_sp - uwsgi.page_size, uwsgi.page_size, PROT_NONE)) {
uwsgi_error("mprotect()");