48 lines
1,012 B
C
48 lines
1,012 B
C
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#include <process.h>
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#include <stdio.h>
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#include <stddef.h>
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#define INCL_DOS
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#include <os2.h>
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static volatile int NumThreads;
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static volatile int HoldThreads;
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#define NUM_THREADS 5
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#define STACK_SIZE 32768
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static void a_thread( void *arglist )
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/***********************************/
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{
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while( HoldThreads ) {
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DosSleep( 1 );
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}
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printf( "Hi from thread %d\n", *_threadid );
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DosEnterCritSec();
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--NumThreads;
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DosExitCritSec();
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_endthread();
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}
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int main( void )
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/**************/
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{
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int i;
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printf( "Initial thread id = %d\n", *_threadid );
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NumThreads = 0;
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HoldThreads = 1;
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/* initial thread counts as 1 */
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for( i = 2; i <= NUM_THREADS; ++i ) {
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if( _beginthread( a_thread, NULL, STACK_SIZE, NULL ) == -1 ) {
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printf( "creation of thread %d failed\n", i );
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} else {
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++NumThreads;
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}
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}
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HoldThreads = 0;
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while( NumThreads != 0 ) {
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DosSleep( 1 );
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}
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return( 0 );
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}
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