a7b9285033
Alias qemu-system-* man page to qemu.1 (bz #907746) Drop execute bit on service files (bz #963917) Conditionalize KSM service on host virt support (bz #963681) Split out KSM package, make it not pulled in by default
104 lines
3.3 KiB
Diff
104 lines
3.3 KiB
Diff
From 4f88dd44aa288f1ded954850a9a222f4ecdf00b8 Mon Sep 17 00:00:00 2001
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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Fri, 22 Feb 2013 17:36:36 +0100
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Subject: [PATCH] migration: merge qemu_popen_cmd with qemu_popen
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There is no reason for outgoing exec migration to do popen manually
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anymore (the reason used to be that we needed the FILE* to make it
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non-blocking). Use qemu_popen_cmd.
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Reviewed-by: Orit Wasserman <owasserm@redhat.com>
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Reviewed-by: Juan Quintela <quintela@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Juan Quintela <quintela@redhat.com>
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(cherry picked from commit 817b9ed5eb300dbb434d752da416441028539a96)
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---
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include/migration/qemu-file.h | 1 -
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migration-exec.c | 10 ++++------
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savevm.c | 22 ++++++++--------------
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3 files changed, 12 insertions(+), 21 deletions(-)
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diff --git a/include/migration/qemu-file.h b/include/migration/qemu-file.h
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index 46fc11d..987e719 100644
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--- a/include/migration/qemu-file.h
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+++ b/include/migration/qemu-file.h
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@@ -77,7 +77,6 @@ QEMUFile *qemu_fopen_ops(void *opaque, const QEMUFileOps *ops);
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QEMUFile *qemu_fopen(const char *filename, const char *mode);
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QEMUFile *qemu_fdopen(int fd, const char *mode);
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QEMUFile *qemu_fopen_socket(int fd);
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-QEMUFile *qemu_popen(FILE *popen_file, const char *mode);
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QEMUFile *qemu_popen_cmd(const char *command, const char *mode);
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int qemu_get_fd(QEMUFile *f);
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int qemu_fclose(QEMUFile *f);
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diff --git a/migration-exec.c b/migration-exec.c
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index a051a6e..5dc7313 100644
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--- a/migration-exec.c
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+++ b/migration-exec.c
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@@ -59,19 +59,17 @@ static int exec_close(MigrationState *s)
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void exec_start_outgoing_migration(MigrationState *s, const char *command, Error **errp)
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{
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- FILE *f;
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-
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- f = popen(command, "w");
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+ QEMUFile *f;
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+ f = qemu_popen_cmd(command, "w");
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if (f == NULL) {
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error_setg_errno(errp, errno, "failed to popen the migration target");
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return;
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}
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- s->fd = fileno(f);
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+ s->opaque = f;
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+ s->fd = qemu_get_fd(f);
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assert(s->fd != -1);
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- s->opaque = qemu_popen(f, "w");
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-
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s->close = exec_close;
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s->get_error = file_errno;
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s->write = file_write;
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diff --git a/savevm.c b/savevm.c
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index fef2ab9..38699de 100644
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--- a/savevm.c
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+++ b/savevm.c
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@@ -275,11 +275,17 @@ static const QEMUFileOps stdio_pipe_write_ops = {
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.close = stdio_pclose
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};
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-QEMUFile *qemu_popen(FILE *stdio_file, const char *mode)
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+QEMUFile *qemu_popen_cmd(const char *command, const char *mode)
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{
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+ FILE *stdio_file;
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QEMUFileStdio *s;
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- if (stdio_file == NULL || mode == NULL || (mode[0] != 'r' && mode[0] != 'w') || mode[1] != 0) {
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+ stdio_file = popen(command, mode);
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+ if (stdio_file == NULL) {
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+ return NULL;
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+ }
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+
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+ if (mode == NULL || (mode[0] != 'r' && mode[0] != 'w') || mode[1] != 0) {
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fprintf(stderr, "qemu_popen: Argument validity check failed\n");
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return NULL;
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}
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@@ -296,18 +302,6 @@ QEMUFile *qemu_popen(FILE *stdio_file, const char *mode)
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return s->file;
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}
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-QEMUFile *qemu_popen_cmd(const char *command, const char *mode)
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-{
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- FILE *popen_file;
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-
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- popen_file = popen(command, mode);
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- if(popen_file == NULL) {
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- return NULL;
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- }
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-
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- return qemu_popen(popen_file, mode);
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-}
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-
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static const QEMUFileOps stdio_file_read_ops = {
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.get_fd = stdio_get_fd,
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.get_buffer = stdio_get_buffer,
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