diff options
| -rw-r--r-- | src/liburing.h | 6 | ||||
| -rw-r--r-- | test/Makefile | 7 | ||||
| -rw-r--r-- | test/nop.c | 110 |
3 files changed, 121 insertions, 2 deletions
diff --git a/src/liburing.h b/src/liburing.h index cd098ce..a544fa5 100644 --- a/src/liburing.h +++ b/src/liburing.h @@ -145,4 +145,10 @@ static inline void io_uring_prep_fsync(struct io_uring_sqe *sqe, int fd, sqe->fsync_flags = fsync_flags; } +static inline void io_uring_prep_nop(struct io_uring_sqe *sqe) +{ + memset(sqe, 0, sizeof(*sqe)); + sqe->opcode = IORING_OP_NOP; +} + #endif diff --git a/test/Makefile b/test/Makefile index e1af59a..faf5fa6 100644 --- a/test/Makefile +++ b/test/Makefile @@ -1,12 +1,12 @@ CFLAGS ?= -g -O2 -Wall -D_GNU_SOURCE -L../src/ all_targets += io_uring-test io_uring-cp poll poll-cancel ring-leak fsync \ - io_uring_setup io_uring_register io_uring_enter + io_uring_setup io_uring_register io_uring_enter nop all: $(all_targets) test_srcs := io_uring-test.c io_uring-cp.c poll.c poll-cancel.c ring-leak.c \ - fsync.c io_uring_setup.c io_uring_register.c io_uring_enter.c + fsync.c io_uring_setup.c io_uring_register.c io_uring_enter.c nop.c test_objs := $(patsubst %.c,%.ol,$(test_srcs)) @@ -28,5 +28,8 @@ io_uring_register: io_uring_register.c $(CC) $(CFLAGS) -o $@ io_uring_register.c -luring io_uring_enter: io_uring_enter.c $(CC) $(CFLAGS) -o $@ io_uring_enter.c -luring +nop: nop.c + $(CC) $(CFLAGS) -o $@ nop.c -luring + clean: rm -f $(all_targets) $(test_objs) diff --git a/test/nop.c b/test/nop.c new file mode 100644 index 0000000..a37246b --- /dev/null +++ b/test/nop.c @@ -0,0 +1,110 @@ +/* + * Description: run various nop tests + * + */ +#include <errno.h> +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <string.h> +#include <fcntl.h> + +#include "../src/liburing.h" + +static int test_single_nop(struct io_uring *ring) +{ + struct io_uring_cqe *cqe; + struct io_uring_sqe *sqe; + int ret; + + sqe = io_uring_get_sqe(ring); + if (!sqe) { + printf("get sqe failed\n"); + goto err; + } + + io_uring_prep_nop(sqe); + + ret = io_uring_submit(ring); + if (ret <= 0) { + printf("sqe submit failed: %d\n", ret); + goto err; + } + + ret = io_uring_wait_completion(ring, &cqe); + if (ret < 0) { + printf("wait completion %d\n", ret); + goto err; + } + + return 0; +err: + return 1; +} + +static int test_barrier_nop(struct io_uring *ring) +{ + struct io_uring_cqe *cqe; + struct io_uring_sqe *sqe; + int ret, i; + + for (i = 0; i < 8; i++) { + sqe = io_uring_get_sqe(ring); + if (!sqe) { + printf("get sqe failed\n"); + goto err; + } + + io_uring_prep_nop(sqe); + if (i == 4) + sqe->flags = IOSQE_IO_DRAIN; + } + + ret = io_uring_submit(ring); + if (ret < 8) { + printf("Submitted only %d\n", ret); + goto err; + } else if (ret < 0) { + printf("sqe submit failed: %d\n", ret); + goto err; + } + + for (i = 0; i < 8; i++) { + ret = io_uring_wait_completion(ring, &cqe); + if (ret < 0) { + printf("wait completion %d\n", ret); + goto err; + } + } + + return 0; +err: + return 1; +} + +int main(int argc, char *argv[]) +{ + struct io_uring ring; + int ret; + + ret = io_uring_queue_init(8, &ring, 0); + if (ret) { + printf("ring setup failed\n"); + return 1; + + } + + ret = test_single_nop(&ring); + if (ret) { + printf("test_single_nop failed\n"); + return ret; + } + + ret = test_barrier_nop(&ring); + if (ret) { + printf("test_barrier_nop failed\n"); + return ret; + } + + return 0; +} |