lorenz.stechauner/sesimos
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Flush after print

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Lorenz Stechauner
2020-12-28 15:22:02 +01:00
parent 7d8f065ec9
commit 640f3abc1f
3 changed files with 48 additions and 1 deletions
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14
src/cache.c
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@ -13,10 +13,12 @@ int magic_init() {
magic = magic_open(MAGIC_MIME);
if (magic == NULL) {
fprintf(stderr, ERR_STR "Unable to open magic cookie: %s" CLR_STR "\n", strerror(errno));
fflush(stderr);
return -1;
}
if (magic_load(magic, MAGIC_FILE) != 0) {
fprintf(stderr, ERR_STR "Unable to load magic cookie: %s" CLR_STR "\n", magic_error(magic));
fflush(stderr);
return -2;
}
return 0;
@ -33,6 +35,7 @@ int cache_process() {
int shm_id = shmget(SHM_KEY, FILE_CACHE_SIZE * sizeof(cache_entry), 0);
if (shm_id < 0) {
fprintf(stderr, ERR_STR "Unable to create shared memory: %s" CLR_STR "\n", strerror(errno));
fflush(stderr);
return -1;
}
@ -40,6 +43,7 @@ int cache_process() {
void *shm_rw = shmat(shm_id, NULL, 0);
if (shm_rw == (void *) -1) {
fprintf(stderr, ERR_STR "Unable to attach shared memory (rw): %s" CLR_STR "\n", strerror(errno));
fflush(stderr);
return -2;
}
cache = shm_rw;
@ -47,6 +51,7 @@ int cache_process() {
if (mkdir("/var/necronda-server/", 0755) < 0) {
if (errno != EEXIST) {
fprintf(stderr, ERR_STR "Unable to create directory '/var/necronda-server/': %s" CLR_STR "\n", strerror(errno));
fflush(stderr);
return -3;
}
}
@ -101,12 +106,14 @@ int cache_process() {
if (comp_file == NULL) {
compress = 0;
fprintf(stderr, ERR_STR "Unable to open cache file: %s" CLR_STR "\n", strerror(errno));
fflush(stderr);
} else {
strm.zalloc = Z_NULL;
strm.zfree = Z_NULL;
strm.opaque = Z_NULL;
if (deflateInit(&strm, level) != Z_OK) {
fprintf(stderr, ERR_STR "Unable to init deflate: %s" CLR_STR "\n", strerror(errno));
fflush(stderr);
compress = 0;
fclose(comp_file);
}
@ -161,12 +168,14 @@ int cache_init() {
int shm_id = shmget(SHM_KEY, FILE_CACHE_SIZE * sizeof(cache_entry), IPC_CREAT | IPC_EXCL | 0600);
if (shm_id < 0) {
fprintf(stderr, ERR_STR "Unable to create shared memory: %s" CLR_STR "\n", strerror(errno));
fflush(stderr);
return -2;
}
void *shm = shmat(shm_id, NULL, SHM_RDONLY);
if (shm == (void *) -1) {
fprintf(stderr, ERR_STR "Unable to attach shared memory (ro): %s" CLR_STR "\n", strerror(errno));
fflush(stderr);
return -3;
}
cache = shm;
@ -174,6 +183,7 @@ int cache_init() {
void *shm_rw = shmat(shm_id, NULL, 0);
if (shm_rw == (void *) -1) {
fprintf(stderr, ERR_STR "Unable to attach shared memory (rw): %s" CLR_STR "\n", strerror(errno));
fflush(stderr);
return -4;
}
cache = shm_rw;
@ -192,9 +202,11 @@ int cache_init() {
} else if (pid > 0) {
// parent
fprintf(stderr, "Started child process with PID %i as cache-updater\n", pid);
fflush(stderr);
children[0] = pid;
} else {
fprintf(stderr, ERR_STR "Unable to create child process: %s" CLR_STR "\n", strerror(errno));
fflush(stderr);
return -5;
}
@ -205,8 +217,10 @@ int cache_unload() {
int shm_id = shmget(SHM_KEY, 0, 0);
if (shm_id < 0) {
fprintf(stderr, ERR_STR "Unable to create shared memory: %s" CLR_STR "\n", strerror(errno));
fflush(stderr);
} else if (shmctl(shm_id, IPC_RMID, NULL) < 0) {
fprintf(stderr, ERR_STR "Unable to configure shared memory: %s" CLR_STR "\n", strerror(errno));
fflush(stderr);
}
shmdt(cache);
return 0;