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* dcrt0.cc (dll_crt0_1): Move exception list and constructor stuff earlier in

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the process.  Use new second argument to set_myself.
(cygwin_dll_init): Initialize exception list and constructor stuff here.
(_dll_crt0): And here.  Also, deal with inherited pinfo shared memory region
from parent.
* pinfo.cc (set_myself): Accept a second argument signifying the a shared
memory region, passed from an execing parent.
(pinfo_init): Ditto.
* pinfo.h: Ditto.
* shared.h (child_info): Add a handle field to pass to child.
* spawn.cc (spawn_guts): Create a shared handle to pass to an execed child.
* winsup.h: Remove extraneous declaration.
This commit is contained in:
Christopher Faylor
2000-08-24 04:07:50 +00:00
parent e1cf4ae80c
commit f5589e4118
7 changed files with 81 additions and 24 deletions
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10
winsup/cygwin/pinfo.h
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@@ -117,7 +117,7 @@ class pinfo
_pinfo *child;
int destroy;
public:
void init (pid_t n, DWORD create = 0);
void init (pid_t n, DWORD create = 0, HANDLE h = NULL);
pinfo () {}
pinfo (_pinfo *x): child (x) {}
pinfo (pid_t n) {init (n);}
@@ -127,7 +127,7 @@ public:
if (h)
{
UnmapViewOfFile (child);
CloseHandle (h);
ForceCloseHandle1 (h, pinfo_shared_handle);
h = NULL;
}
}
@@ -145,7 +145,9 @@ public:
int operator == (char *x) const {return (char *) child == x;}
_pinfo *operator * () const {return child;}
operator _pinfo * () const {return child;}
// operator bool () const {return (int) h;}
void remember () {destroy = 0; proc_subproc (PROC_ADDCHILD, (DWORD) this);}
HANDLE shared_handle () {return h;}
};
#define ISSTATE(p, f) (!!((p)->process_state & f))
@@ -168,5 +170,7 @@ cygwin_pid (pid_t pid)
{
return (pid_t) (os_being_run == winNT) ? pid : -(int) pid;
}
void __stdcall pinfo_init (PBYTE);
void __stdcall pinfo_init (BYTE *);
void __stdcall set_myself (pid_t pid, HANDLE h = NULL);
extern pinfo myself;