diff options
Diffstat (limited to 'include/qemu/osdep.h')
| -rw-r--r-- | include/qemu/osdep.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index 96fe51b..cf8d7cf 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -133,6 +133,14 @@ QEMU_EXTERN_C int daemon(int, int); #include <setjmp.h> #include <signal.h> +/* + * Avoid conflict with linux/arch/powerpc/include/uapi/asm/elf.h, included + * from <asm/sigcontext.h>, but we might as well do this unconditionally. + */ +#undef ELF_CLASS +#undef ELF_DATA +#undef ELF_ARCH + #ifdef CONFIG_IOVEC #include <sys/uio.h> #endif @@ -553,7 +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. */ @@ -679,6 +687,16 @@ ssize_t qemu_write_full(int fd, const void *buf, size_t count) G_GNUC_WARN_UNUSED_RESULT; 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. |