xref: /xnu-8020.121.3/tests/port_exhaustion_client.c (revision fdd8201d7b966f0c3ea610489d29bd841d358941) !
1*fdd8201dSApple OSS Distributions #include <stdio.h>
2*fdd8201dSApple OSS Distributions #include <mach/mach.h>
3*fdd8201dSApple OSS Distributions #include <mach/message.h>
4*fdd8201dSApple OSS Distributions #include <unistd.h>
5*fdd8201dSApple OSS Distributions #include <assert.h>
6*fdd8201dSApple OSS Distributions #include <string.h>
7*fdd8201dSApple OSS Distributions #include <stdlib.h>
8*fdd8201dSApple OSS Distributions 
9*fdd8201dSApple OSS Distributions static inline mach_port_type_t
get_port_type(mach_port_t mp)10*fdd8201dSApple OSS Distributions get_port_type(mach_port_t mp)
11*fdd8201dSApple OSS Distributions {
12*fdd8201dSApple OSS Distributions 	mach_port_type_t type = 0;
13*fdd8201dSApple OSS Distributions 	mach_port_type(mach_task_self(), mp, &type);
14*fdd8201dSApple OSS Distributions 	return type;
15*fdd8201dSApple OSS Distributions }
16*fdd8201dSApple OSS Distributions 
17*fdd8201dSApple OSS Distributions int
main()18*fdd8201dSApple OSS Distributions main()
19*fdd8201dSApple OSS Distributions {
20*fdd8201dSApple OSS Distributions 	mach_port_t port = MACH_PORT_NULL;
21*fdd8201dSApple OSS Distributions 	kern_return_t retval = KERN_SUCCESS;
22*fdd8201dSApple OSS Distributions 
23*fdd8201dSApple OSS Distributions 	mach_port_t task = mach_task_self();
24*fdd8201dSApple OSS Distributions 
25*fdd8201dSApple OSS Distributions 	printf("Starting the receive right allocation loop\n");
26*fdd8201dSApple OSS Distributions 	int i = 0;
27*fdd8201dSApple OSS Distributions 	while (!retval) {
28*fdd8201dSApple OSS Distributions 		retval = mach_port_allocate(task, MACH_PORT_RIGHT_RECEIVE, &port);
29*fdd8201dSApple OSS Distributions 		assert(retval == 0);
30*fdd8201dSApple OSS Distributions 		//printf("%d. allocate a port=[%d]\n", i, port);
31*fdd8201dSApple OSS Distributions 		assert(get_port_type(port) == MACH_PORT_TYPE_RECEIVE);
32*fdd8201dSApple OSS Distributions 		i++;
33*fdd8201dSApple OSS Distributions 	}
34*fdd8201dSApple OSS Distributions 
35*fdd8201dSApple OSS Distributions 	exit(1);
36*fdd8201dSApple OSS Distributions }
37