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win32.c: no error after retry

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* win32/win32.c (waitpid): return 0 on error after retried.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41450 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-06-19 18:08:28 +00:00
parent 656c3b5422
commit 7ce9f9c25a
1 changed files with 3 additions and 0 deletions
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3
win32/win32.c
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@ -4144,6 +4144,7 @@ waitpid(rb_pid_t pid, int *stat_loc, int options)
} }
else { else {
struct ChildRecord* child = FindChildSlot(pid); struct ChildRecord* child = FindChildSlot(pid);
int retried = 0;
if (!child) { if (!child) {
errno = ECHILD; errno = ECHILD;
return -1; return -1;
@ -4157,8 +4158,10 @@ waitpid(rb_pid_t pid, int *stat_loc, int options)
pid = 0; pid = 0;
break; break;
} }
++retried;
} }
} }
if (pid == -1 && retried) pid = 0;
} }
return pid; return pid;