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805b398386
- Fix physical device access PR: ports/106727 Submitted by: Juergen Lock <nox@jelal.kn-bremen.de> (maintainer)
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
Index: qemu/block-raw.c
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@@ -51,6 +51,9 @@
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#include <linux/cdrom.h>
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#include <linux/fd.h>
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#endif
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+#if defined(__FreeBSD__) && __FreeBSD__ > 4
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+#include <sys/disk.h>
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+#endif
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//#define DEBUG_FLOPPY
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@@ -164,9 +164,20 @@
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static int aio_sig_num = SIGUSR2;
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static RawAIOCB *first_aio; /* AIO issued */
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static int aio_initialized = 0;
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+// FreeBSD 4.x doesn't have sigwait
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+#if defined(__FreeBSD__) && __FreeBSD__ <= 4
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+static int sigaio_dont = 0;
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+#endif
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static void aio_signal_handler(int signum)
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{
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+// FreeBSD 4.x doesn't have sigwait
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+#if defined(__FreeBSD__) && __FreeBSD__ <= 4
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+ if (sigaio_dont) {
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+ --sigaio_dont;
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+ return;
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+ }
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+#endif
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#ifndef QEMU_TOOL
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CPUState *env = cpu_single_env;
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if (env) {
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@@ -281,9 +292,17 @@
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if (qemu_bh_poll())
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return;
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#endif
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+// FreeBSD 4.x doesn't have sigwait
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+#if defined(__FreeBSD__) && __FreeBSD__ <= 4
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+ ++sigaio_dont;
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+ do
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+ sigsuspend(&wait_oset);
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+ while (sigaio_dont);
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+#else
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sigemptyset(&set);
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sigaddset(&set, aio_sig_num);
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sigwait(&set, &nb_sigs);
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+#endif
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qemu_aio_poll();
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}
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