/*for named semaphore: creates a new POSIX semaphore or opens an existing semaphore.*/
EC_BOOL csem_named_open(CSEM *csem, const uint8_t *name, const int oflag, const mode_t mode, const uint32_t value, const UINT32 location)
{
sem_t *sem;
if(NULL_PTR != CSEM_NAME_CSTR(csem))
{
dbg_log(SEC_0029_CSEM, 0)(LOGSTDOUT, "error:csem_named_open: csem %p has already set name %s at %s:%ld\n",
csem, cstring_get_str(CSEM_NAME_CSTR(csem)),
MM_LOC_FILE_NAME(location), MM_LOC_LINE_NO(location));
return (EC_FALSE);
}
CSEM_NAME_CSTR(csem) = cstring_new(name, location);
if(NULL_PTR == CSEM_NAME_CSTR(csem))
{
dbg_log(SEC_0029_CSEM, 0)(LOGSTDOUT, "error:csem_named_open: new cstring for csem %p failed where name %s\n", csem, name);
return (EC_FALSE);
}
sem = sem_open((const char *)name, oflag, mode, value);
if(SEM_FAILED == sem)
{
dbg_log(SEC_0029_CSEM, 0)(LOGSTDOUT, "error:csem_named_open: open sem of %s oflag %d mode_t %o value %u failed where errno = %d, errstr = %s at %s:%ld\n",
name, oflag, mode, value,
errno, strerror(errno),
MM_LOC_FILE_NAME(location), MM_LOC_LINE_NO(location));
return (EC_FALSE);
}
CSEM_SEM(csem) = sem;
return (EC_TRUE);
EC_BOOL csem_named_clean(CSEM *csem, const UINT32 location)
{
uint8_t *sem_name;
/*close*/
if(EC_FALSE == csem_named_close(csem, location))
{
dbg_log(SEC_0029_CSEM, 0)(LOGSTDOUT, "error:csem_named_clean: close csem %p failed where errno = %d, errstr = %s at %s:%ld\n",
csem,
errno, strerror(errno),
MM_LOC_FILE_NAME(location), MM_LOC_LINE_NO(location));
return (EC_FALSE);
}
if(NULL_PTR == CSEM_NAME_CSTR(csem))
{
return (EC_TRUE);
}
/*unlink*/
sem_name = cstring_get_str(CSEM_NAME_CSTR(csem));
if(EC_FALSE == csem_named_unlink(sem_name, location))
{
dbg_log(SEC_0029_CSEM, 0)(LOGSTDOUT, "error:csem_named_clean: unlink sem %s failed where errno = %d, errstr = %s at %s:%ld\n",
sem_name,
errno, strerror(errno),
MM_LOC_FILE_NAME(location), MM_LOC_LINE_NO(location));
return (EC_FALSE);
}
cstring_free(CSEM_NAME_CSTR(csem));
CSEM_NAME_CSTR(csem) = NULL_PTR;
return (EC_TRUE);
size_t rawFileRead(RawFile *raw_file, const offset_t offset, void *des, size_t size, size_t nmemb, const word_t location)
{
size_t count;
count = rawDataRead(raw_file->raw_data, offset, des, size, nmemb);
dbg_log(SEC_0132_RAW, 9)(LOGSTDNULL, "[DEBUG] rawFileRead: raw_file %lx: read %d bytes at offset %d, %s:%ld\n",
raw_file, count * size, offset, MM_LOC_FILE_NAME(location), MM_LOC_LINE_NO(location));
return count;
}
/*destroys the unnamed semaphore*/
EC_BOOL csem_unamed_clean(CSEM *csem, const UINT32 location)
{
if(0 == sem_destroy(CSEM_SEM(csem)))
{
return (EC_TRUE);
}
dbg_log(SEC_0029_CSEM, 0)(LOGSTDOUT, "error:csem_unamed_clean: clean csem %p failed where errno = %d, errstr = %s at %s:%ld\n",
csem,
errno, strerror(errno),
MM_LOC_FILE_NAME(location), MM_LOC_LINE_NO(location));
return (EC_FALSE);
}
/*initialises the unnamed semaphore*/
EC_BOOL csem_unamed_init(CSEM *csem, const int pshared, const uint32_t value, const UINT32 location)
{
if(0 == sem_init(CSEM_SEM(csem), pshared, value))
{
return (EC_TRUE);
}
dbg_log(SEC_0029_CSEM, 0)(LOGSTDOUT, "error:csem_unamed_init: csem %p pshared %d value %u failed where errno = %d, errstr = %s at %s:%ld\n",
csem, pshared, value,
errno, strerror(errno),
MM_LOC_FILE_NAME(location), MM_LOC_LINE_NO(location));
return (EC_FALSE);
}
/*removes the named semaphore*/
EC_BOOL csem_named_unlink(const uint8_t *name, const UINT32 location)
{
if(NULL_PTR == name)
{
dbg_log(SEC_0029_CSEM, 1)(LOGSTDOUT, "warn:csem_named_unlink: unlink sem name is null at %s:%ld\n",
name,
MM_LOC_FILE_NAME(location), MM_LOC_LINE_NO(location));
return (EC_TRUE);
}
if(0 == sem_unlink((char *)name))
{
return (EC_TRUE);
}
dbg_log(SEC_0029_CSEM, 0)(LOGSTDOUT, "error:csem_named_unlink: unlink sem %s failed where errno = %d, errstr = %s at %s:%ld\n",
name,
errno, strerror(errno),
MM_LOC_FILE_NAME(location), MM_LOC_LINE_NO(location));
return (EC_FALSE);
