diff options
author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-06-24 02:14:00 +0000 |
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committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-06-24 02:14:00 +0000 |
commit | d3a0ef8198bf3257f37cf1149553b77981b85eab (patch) | |
tree | a0cefc7c5255c3c1e47614856633c75f0e07d2c7 /win32/win32.c | |
parent | b6cab6e8f1a443d4b8c56b4936cc454fa75c28f4 (diff) | |
download | ruby-d3a0ef8198bf3257f37cf1149553b77981b85eab.tar.gz |
* include/ruby/win32.h, win32/win32.c (rb_w32_getppid): now support
getppid() on win32 (but only Win2k or later).
* process.c (get_ppid): remove win32 special logic.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17553 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'win32/win32.c')
-rw-r--r-- | win32/win32.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/win32/win32.c b/win32/win32.c index e79bbf2bad..dec12eb8d2 100644 --- a/win32/win32.c +++ b/win32/win32.c @@ -3829,6 +3829,40 @@ rb_w32_getpid(void) return pid; } + +rb_pid_t +rb_w32_getppid(void) +{ + static long (WINAPI *pNtQueryInformationProcess)(HANDLE, int, void *, ULONG, ULONG *) = NULL; + rb_pid_t ppid = 0; + + if (!IsWin95() && rb_w32_osver() >= 5) { + if (!pNtQueryInformationProcess) { + HANDLE hNtDll = GetModuleHandle("ntdll.dll"); + if (hNtDll) { + pNtQueryInformationProcess = (long (WINAPI *)(HANDLE, int, void *, ULONG, ULONG *))GetProcAddress(hNtDll, "NtQueryInformationProcess"); + if (pNtQueryInformationProcess) { + struct { + long ExitStatus; + void* PebBaseAddress; + ULONG AffinityMask; + ULONG BasePriority; + ULONG UniqueProcessId; + ULONG ParentProcessId; + } pbi; + ULONG len; + long ret = pNtQueryInformationProcess(GetCurrentProcess(), 0, &pbi, sizeof(pbi), &len); + if (!ret) { + ppid = pbi.ParentProcessId; + } + } + } + } + } + + return ppid; +} + int rb_w32_fclose(FILE *fp) { |