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add file descriptor migration

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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Cc: Chris Lalancette <clalance@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Paolo Bonzini 2009-08-18 15:56:25 +02:00 • committed by Anthony Liguori
parent dfffc65398
commit 5ac1fad324
6 changed files with 178 additions and 1 deletions
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28
savevm.c
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@ -285,6 +285,34 @@ int qemu_stdio_fd(QEMUFile *f)
return fd;
}
QEMUFile *qemu_fdopen(int fd, const char *mode)
{
QEMUFileStdio *s;
if (mode == NULL ||
(mode[0] != 'r' && mode[0] != 'w') ||
mode[1] != 'b' || mode[2] != 0) {
fprintf(stderr, "qemu_fdopen: Argument validity check failed\n");
return NULL;
}
s = qemu_mallocz(sizeof(QEMUFileStdio));
s->stdio_file = fdopen(fd, mode);
if (!s->stdio_file)
goto fail;
if(mode[0] == 'r') {
s->file = qemu_fopen_ops(s, NULL, stdio_get_buffer, stdio_fclose, NULL, NULL);
} else {
s->file = qemu_fopen_ops(s, stdio_put_buffer, NULL, stdio_fclose, NULL, NULL);
}
return s->file;
fail:
qemu_free(s);
return NULL;
}
QEMUFile *qemu_fopen_socket(int fd)
{
QEMUFileSocket *s = qemu_mallocz(sizeof(QEMUFileSocket));