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Allow reading/writing generic message types, not just tasks. (#24)

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* Allow reading/writing generic message types, not just tasks.

* Allow messages of length 0 to be read/written, and handle closed sockets.

* Address comments.

* Simplify accept_client.

* Allow ports to be reused in bind_ipc_sock.
This commit is contained in:
Robert Nishihara
2016-09-27 18:51:35 -07:00
committed by Philipp Moritz
parent 631de92170
commit 084220b0e7
7 changed files with 99 additions and 72 deletions
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test/task_tests.c
+8 -2
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@@ -7,6 +7,7 @@
#include "common.h"
#include "test/example_task.h"
#include "task.h"
#include "io.h"
SUITE(task_tests);
@@ -48,8 +49,13 @@ TEST send_task(void) {
*task_return(task, 1) = globally_unique_id();
int fd[2];
socketpair(AF_UNIX, SOCK_STREAM, 0, fd);
write_task(fd[0], task);
task_spec *result = read_task(fd[1]);
write_message(fd[0], SUBMIT_TASK, task_size(task), task);
int64_t type;
int64_t length;
uint8_t *message;
read_message(fd[1], &type, &length, &message);
task_spec *result = (task_spec *) message;
ASSERT(type == SUBMIT_TASK);
ASSERT(memcmp(task, result, task_size(task)) == 0);
ASSERT(memcmp(task, result, task_size(result)) == 0);
free(task);