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/*
* Macros for retrying interrupted system calls. RETURN_NULL
*/
#define RETRY_NULL(STATUS, CALL) \
do { \
STATUS = (CALL); \
} while ((STATUS == NULL) && (errno == EINTR))
#define RETRY_NEG(STATUS, CALL) \
do { \
STATUS = (CALL); \
} while ((STATUS < 0) && (errno == EINTR))
#define RETRY_OR_RAISE_NULL(STATUS, CALL) \
do { \
while (1) { \
STATUS = (CALL); \
if (STATUS != NULL) \
break; \
else if (errno != EINTR) \
s48_raise_os_error(errno); } \
} while (0)
#define RETRY_OR_RAISE_NEG(STATUS, CALL) \
do { \
while (1) { \
STATUS = (CALL); \
if (STATUS >= 0) \
break; \
else if (errno != EINTR) \
s48_raise_os_error(errno); } \
} while (0)
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