03/win32/utils_proc.c

/* $Id: utils_proc.c,v 1.4 2006/06/16 00:47:07 joko Exp $ */

#include <windows.h>

// background process bookkeeping
HANDLE plist[MAXIMUM_WAIT_OBJECTS-1];
int plist_count = 0;

BOOL os_start_process(char * filename, BOOL background) {

  STARTUPINFO si;
  PROCESS_INFORMATION pi;
  BOOL proc_ok;

  //printf("start_process: '%s'\n", filename);
  
  // initialize structures
  ZeroMemory(&si,sizeof(si));
  si.cb = sizeof(STARTUPINFO);
  ZeroMemory(&pi,sizeof(pi));
  
  // actually do something now...
  proc_ok = CreateProcess(
    NULL, filename,
    NULL, NULL, FALSE, 0,
    NULL, NULL,
    &si,
    &pi
  );

  // did something fail?
  if (!proc_ok) {
    check_alert_error("CreateProcess");
    return FALSE;
  }
  
  // 1. background mode
  if (background) {
    // background process bookkeeping
    plist[plist_count] = pi.hProcess;
    plist_count++;
  
  // 2. normal (blocking) mode
  } else {
    long status;
    status = WaitForSingleObject(pi.hProcess, INFINITE);
    
    // close process handle
    CloseHandle(pi.hProcess);
    
    // check for and handle errors
    if (status == WAIT_FAILED) {
      check_alert_error("WaitForSingleObject");
      return FALSE;
    }
  }
  
  return TRUE;

}

BOOL os_wait_for_processes() {
  
  long status;
  int i;
  HANDLE hProcess;
  
  if (plist_count == 0)
    return TRUE;
  
  status = WaitForMultipleObjects(plist_count, plist, TRUE, INFINITE);
  
  // close process handles
  for (i = 0; i < plist_count; i++) {
    hProcess = plist[i];
    CloseHandle(hProcess);
  }

  // reset process counter
  plist_count = 0;
  
  // check for and handle errors
  if (status == WAIT_FAILED) {
    check_alert_error("WaitForMultipleObjects");
    return FALSE;
  }
  
  return TRUE;
}
1	/* $Id: utils_proc.c,v 1.4 2006/06/16 00:47:07 joko Exp $ */
2
3	#include <windows.h>
4
5	// background process bookkeeping
6	HANDLE plist[MAXIMUM_WAIT_OBJECTS-1];
7	int plist_count = 0;
8
9	BOOL os_start_process(char * filename, BOOL background) {
10
11	STARTUPINFO si;
12	PROCESS_INFORMATION pi;
13	BOOL proc_ok;
14
15	//printf("start_process: '%s'\n", filename);
16
17	// initialize structures
18	ZeroMemory(&si,sizeof(si));
19	si.cb = sizeof(STARTUPINFO);
20	ZeroMemory(&pi,sizeof(pi));
21
22	// actually do something now...
23	proc_ok = CreateProcess(
24	NULL, filename,
25	NULL, NULL, FALSE, 0,
26	NULL, NULL,
27	&si,
28	&pi
29	);
30
31	// did something fail?
32	if (!proc_ok) {
33	check_alert_error("CreateProcess");
34	return FALSE;
35	}
36
37	// 1. background mode
38	if (background) {
39	// background process bookkeeping
40	plist[plist_count] = pi.hProcess;
41	plist_count++;
42
43	// 2. normal (blocking) mode
44	} else {
45	long status;
46	status = WaitForSingleObject(pi.hProcess, INFINITE);
47
48	// close process handle
49	CloseHandle(pi.hProcess);
50
51	// check for and handle errors
52	if (status == WAIT_FAILED) {
53	check_alert_error("WaitForSingleObject");
54	return FALSE;
55	}
56	}
57
58	return TRUE;
59
60	}
61
62	BOOL os_wait_for_processes() {
63
64	long status;
65	int i;
66	HANDLE hProcess;
67
68	if (plist_count == 0)
69	return TRUE;
70
71	status = WaitForMultipleObjects(plist_count, plist, TRUE, INFINITE);
72
73	// close process handles
74	for (i = 0; i < plist_count; i++) {
75	hProcess = plist[i];
76	CloseHandle(hProcess);
77	}
78
79	// reset process counter
80	plist_count = 0;
81
82	// check for and handle errors
83	if (status == WAIT_FAILED) {
84	check_alert_error("WaitForMultipleObjects");
85	return FALSE;
86	}
87
88	return TRUE;
89	}
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