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[client] changed ivshmem wait timeout to avoid stalls on startup

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This commit is contained in:
Geoffrey McRae
2017-12-05 21:50:24 +11:00
parent ff81f5df64
commit 2d5b633397
3 changed files with 18 additions and 29 deletions
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10
client/ivshmem/ivshmem.c
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@@ -478,7 +478,7 @@ bool ivshmem_process()
// ============================================================================
enum IVSHMEMWaitResult ivshmem_wait_irq(uint16_t vector)
enum IVSHMEMWaitResult ivshmem_wait_irq(uint16_t vector, unsigned int timeout)
{
if (vector > ivshmem.server.irqCount - 1)
return false;
@@ -488,13 +488,13 @@ enum IVSHMEMWaitResult ivshmem_wait_irq(uint16_t vector)
FD_ZERO(&fds);
FD_SET(fd, &fds);
struct timeval timeout;
timeout.tv_sec = 1;
timeout.tv_usec = 0;
struct timeval tv;
tv.tv_sec = timeout / 1000;
tv.tv_usec = (timeout - tv.tv_sec * 1000) * 1000;
while(true)
{
int ret = select(fd+1, &fds, NULL, NULL, &timeout);
int ret = select(fd+1, &fds, NULL, NULL, &tv);
if (ret < 0)
{
if (errno == EINTR)

2
client/ivshmem/ivshmem.h
View File

@@ -35,5 +35,5 @@ enum IVSHMEMWaitResult
IVSHMEM_WAIT_RESULT_ERROR
};
enum IVSHMEMWaitResult ivshmem_wait_irq(uint16_t vector);
enum IVSHMEMWaitResult ivshmem_wait_irq(uint16_t vector, unsigned int timeout);
bool ivshmem_kick_irq(uint16_t clientID, uint16_t vector);