diff options
Diffstat (limited to 'include/qemu/osdep.h')
| -rw-r--r-- | include/qemu/osdep.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index 1b38cb7..cf8d7cf 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -561,7 +561,7 @@ int madvise(char *, size_t, int); #if defined(__linux__) && \ (defined(__x86_64__) || defined(__arm__) || defined(__aarch64__) \ - || defined(__powerpc64__)) + || defined(__powerpc64__) || defined(__riscv)) /* Use 2 MiB alignment so transparent hugepages can be used by KVM. Valgrind does not support alignments larger than 1 MiB, therefore we need special code which handles running on Valgrind. */ @@ -689,6 +689,15 @@ ssize_t qemu_write_full(int fd, const void *buf, size_t count) void qemu_set_cloexec(int fd); bool qemu_set_blocking(int fd, bool block, Error **errp); +/* + * Clear FD_CLOEXEC for a descriptor. + * + * The caller must guarantee that no other fork+exec's occur before the + * exec that is intended to inherit this descriptor, eg by suspending CPUs + * and blocking monitor commands. + */ +void qemu_clear_cloexec(int fd); + /* Return a dynamically allocated directory path that is appropriate for storing * local state. * |