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Commit 97de236655ad9f6cc27203322e0da89d0d1f261c

Authored by Perry Werneck
1 parent f553333f
Exists in master and in 3 other branches develop, macos, network_module

Looking for performance issues in lib3270_wait_for_ready.

Showing 2 changed files with 20 additions and 3 deletions   Show diff stats
src/core/wait.c
  Diff comments   View file @97de236
... ... @@ -50,6 +50,9 @@ LIB3270_EXPORT int lib3270_wait_for_ready(H3270 *hSession, int seconds)
50 50 {
51 51 FAIL_IF_NOT_ONLINE(hSession);
52 52  
  53 + debug("%s",__FUNCTION__);
  54 + debug("Session lock state is %d",lib3270_get_lock_status(hSession));
  55 +
53 56 int rc = 0;
54 57 int timeout = 0;
55 58 void * timer = AddTimer(seconds * 1000, hSession, timer_expired, &timeout);
... ... @@ -58,11 +61,14 @@ LIB3270_EXPORT int lib3270_wait_for_ready(H3270 *hSession, int seconds)
58 61 {
59 62 if(timeout) {
60 63 // Timeout! The timer was destroyed.
  64 + debug("%s exits with ETIMEDOUT",__FUNCTION__);
61 65 return errno = ETIMEDOUT;
62 66 }
63 67  
64   - if(!lib3270_get_lock_status(hSession))
  68 + if(lib3270_get_lock_status(hSession) == LIB3270_MESSAGE_NONE)
65 69 {
  70 + // Is unlocked, break.
  71 +
66 72 break;
67 73 }
68 74  
... ... @@ -82,6 +88,7 @@ LIB3270_EXPORT int lib3270_wait_for_ready(H3270 *hSession, int seconds)
82 88 }
83 89 RemoveTimer(hSession,timer);
84 90  
  91 + debug("%s exits with rc=%d",__FUNCTION__,rc);
85 92 return rc;
86 93  
87 94 }
... ...
src/testprogram/testprogram.c
  Diff comments   View file @97de236
... ... @@ -161,9 +161,20 @@ int main(int argc, char *argv[])
161 161 {
162 162 printf("\n\nWaiting starts %u\n",(unsigned int) time(NULL));
163 163 lib3270_wait_for_ready(h,10);
  164 +
  165 + {
  166 + // Performance checks
  167 + size_t f;
  168 + time_t start = time(0);
  169 + for(f=0;f < 1000; f++) {
  170 + lib3270_wait_for_ready(h,10);
  171 + }
  172 + printf("Time for 1000 iterations of wait_for_ready was %d\n",(int) (time(0) - start));
  173 +
  174 + }
  175 +
164 176 printf("Waiting ends %u\n\n",(unsigned int) time(NULL));
165 177  
166   - /*
167 178 lib3270_enter(h);
168 179 lib3270_wait(h,5);
169 180  
... ... @@ -185,7 +196,6 @@ int main(int argc, char *argv[])
185 196 if(text)
186 197 printf("Screen:\n[%s]\n",text);
187 198 }
188   - */
189 199  
190 200 lib3270_disconnect(h);
191 201  
... ...