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[Qemu-devel] [multiprocess RFC PATCH 24/37] multi-process: pass proxy li
From: |
elena . ufimtseva |
Subject: |
[Qemu-devel] [multiprocess RFC PATCH 24/37] multi-process: pass proxy link socket fd to remote process |
Date: |
Wed, 6 Mar 2019 23:22:24 -0800 |
From: Elena Ufimtseva <address@hidden>
Signed-off-by: Jagannathan Raman <address@hidden>
Signed-off-by: Elena Ufimtseva <address@hidden>
Signed-off-by: John G Johnson <address@hidden>
---
hw/proxy/qemu-proxy.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/hw/proxy/qemu-proxy.c b/hw/proxy/qemu-proxy.c
index d1560d9..f519beb 100644
--- a/hw/proxy/qemu-proxy.c
+++ b/hw/proxy/qemu-proxy.c
@@ -201,7 +201,7 @@ static void setup_irqfd(PCIProxyDev *dev)
static void init_emulation_process(PCIProxyDev *pdev, char *command, Error
**errp)
{
- char *args[2];
+ char *args[3];
pid_t rpid;
int fd[2];
@@ -221,16 +221,12 @@ static void init_emulation_process(PCIProxyDev *pdev,
char *command, Error **err
}
if (rpid == 0) {
- if (dup2(fd[1], STDIN_FILENO) != STDIN_FILENO) {
- perror("Failed to acquire socket.");
- exit(1);
- }
-
close(fd[0]);
- close(fd[1]);
args[0] = g_strdup(command);
- args[1] = NULL;
+ args[1] = g_strdup_printf("%d", fd[1]);
+ args[2] = NULL;
+
execvp(args[0], (char *const *)args);
exit(1);
}
--
1.8.3.1
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