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fix: the proxy library constructs its posix shared m... in proxy_lib.c #1575

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fix: the proxy library constructs its posix shared m... in proxy_lib.c #1575

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11 changes: 10 additions & 1 deletion src/proxy_lib/proxy_lib.c
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Original file line number Diff line number Diff line change
Expand Up @@ -74,8 +74,10 @@ void utils_init_once(UTIL_ONCE_FLAG *flag, void (*onceCb)(void));

#else /* Linux *************************************************/

#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "utils_concurrency.h"

Expand Down Expand Up @@ -222,7 +224,14 @@ void proxy_lib_create_common(void) {

char shm_name[NAME_MAX];
memset(shm_name, 0, NAME_MAX);
sprintf(shm_name, "umf_proxy_lib_shm_pid_%i", utils_getpid());
unsigned int rand_val = 0;
int urand_fd = open("/dev/urandom", O_RDONLY);
if (urand_fd >= 0) {
(void)read(urand_fd, &rand_val, sizeof(rand_val));
close(urand_fd);
}
snprintf(shm_name, NAME_MAX, "umf_proxy_lib_shm_pid_%i_%08x",
utils_getpid(), rand_val);
umf_result = umfOsMemoryProviderParamsSetShmName(os_params, shm_name);
if (umf_result != UMF_RESULT_SUCCESS) {
LOG_FATAL("setting shared memory name failed");
Expand Down
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