xref: /xnu-8020.101.4/tests/port_exhaustion_client.c (revision e7776783b89a353188416a9a346c6cdb4928faad)
1*e7776783SApple OSS Distributions #include <stdio.h>
2*e7776783SApple OSS Distributions #include <mach/mach.h>
3*e7776783SApple OSS Distributions #include <mach/message.h>
4*e7776783SApple OSS Distributions #include <unistd.h>
5*e7776783SApple OSS Distributions #include <assert.h>
6*e7776783SApple OSS Distributions #include <string.h>
7*e7776783SApple OSS Distributions #include <stdlib.h>
8*e7776783SApple OSS Distributions 
9*e7776783SApple OSS Distributions static inline mach_port_type_t
get_port_type(mach_port_t mp)10*e7776783SApple OSS Distributions get_port_type(mach_port_t mp)
11*e7776783SApple OSS Distributions {
12*e7776783SApple OSS Distributions 	mach_port_type_t type = 0;
13*e7776783SApple OSS Distributions 	mach_port_type(mach_task_self(), mp, &type);
14*e7776783SApple OSS Distributions 	return type;
15*e7776783SApple OSS Distributions }
16*e7776783SApple OSS Distributions 
17*e7776783SApple OSS Distributions int
main()18*e7776783SApple OSS Distributions main()
19*e7776783SApple OSS Distributions {
20*e7776783SApple OSS Distributions 	mach_port_t port = MACH_PORT_NULL;
21*e7776783SApple OSS Distributions 	kern_return_t retval = KERN_SUCCESS;
22*e7776783SApple OSS Distributions 
23*e7776783SApple OSS Distributions 	mach_port_t task = mach_task_self();
24*e7776783SApple OSS Distributions 
25*e7776783SApple OSS Distributions 	printf("Starting the receive right allocation loop\n");
26*e7776783SApple OSS Distributions 	int i = 0;
27*e7776783SApple OSS Distributions 	while (!retval) {
28*e7776783SApple OSS Distributions 		retval = mach_port_allocate(task, MACH_PORT_RIGHT_RECEIVE, &port);
29*e7776783SApple OSS Distributions 		assert(retval == 0);
30*e7776783SApple OSS Distributions 		//printf("%d. allocate a port=[%d]\n", i, port);
31*e7776783SApple OSS Distributions 		assert(get_port_type(port) == MACH_PORT_TYPE_RECEIVE);
32*e7776783SApple OSS Distributions 		i++;
33*e7776783SApple OSS Distributions 	}
34*e7776783SApple OSS Distributions 
35*e7776783SApple OSS Distributions 	exit(1);
36*e7776783SApple OSS Distributions }
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