Merge tag 'pull-misc-20240805' of https://gitlab.com/rth7680/qemu into staging

linux-user/elfload: Fix pr_pid values in core files
util: Add qemu_close_all_open_fd
net/tap: Use qemu_close_all_open_fd

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* tag 'pull-misc-20240805' of https://gitlab.com/rth7680/qemu:
  net/tap: Use qemu_close_all_open_fd()
  qemu/osdep: Add excluded fd parameter to qemu_close_all_open_fd()
  net/tap: Factorize fd closing after forking
  qemu/osdep: Split qemu_close_all_open_fd() and add fallback
  qemu/osdep: Move close_all_open_fds() to oslib-posix
  linux-user/elfload: Fix pr_pid values in core files

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index 720ed21a7e..4cc4c32b14 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -758,6 +758,17 @@ static inline void qemu_reset_optind(void)
 int qemu_fdatasync(int fd);
 
 /**
+ * qemu_close_all_open_fd:
+ *
+ * Close all open file descriptors except the ones supplied in the @skip array
+ *
+ * @skip: ordered array of distinct file descriptors that should not be closed
+ *        if any, or NULL.
+ * @nskip: number of entries in the @skip array or 0 if @skip is NULL.
+ */
+void qemu_close_all_open_fd(const int *skip, unsigned int nskip);
+
+/**
  * Sync changes made to the memory mapped file back to the backing
  * storage. For POSIX compliant systems this will fallback
  * to regular msync call. Otherwise it will trigger whole file sync