diff options
Diffstat (limited to 'src/intel/common/gen_gem.h')
-rw-r--r-- | src/intel/common/gen_gem.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/intel/common/gen_gem.h b/src/intel/common/gen_gem.h index 8df2c249e48..c4dda6de657 100644 --- a/src/intel/common/gen_gem.h +++ b/src/intel/common/gen_gem.h @@ -24,7 +24,9 @@ #ifndef GEN_GEM_H #define GEN_GEM_H +#include <errno.h> #include <stdint.h> +#include <sys/ioctl.h> static inline uint64_t gen_canonical_address(uint64_t v) @@ -54,4 +56,18 @@ gen_48b_address(uint64_t v) return (uint64_t)(v << shift) >> shift; } +/** + * Call ioctl, restarting if it is interupted + */ +static inline int +gen_ioctl(int fd, unsigned long request, void *arg) +{ + int ret; + + do { + ret = ioctl(fd, request, arg); + } while (ret == -1 && (errno == EINTR || errno == EAGAIN)); + return ret; +} + #endif /* GEN_GEM_H */ |