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system/fastboot: switch to epoll

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Switch from poll() to epoll().

Signed-off-by: wangjianyu3 <wangjianyu3@xiaomi.com>
This commit is contained in:
wangjianyu3 2025-06-19 21:15:24 +08:00 • committed by Xiang Xiao
parent e23ba4891d
commit abf9fbee30
1 changed files with 18 additions and 5 deletions
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23
system/fastboot/fastboot.c
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@ -43,13 +43,13 @@
#include <netinet/in.h>
#include <sys/boardctl.h>
#include <sys/epoll.h>
#include <sys/ioctl.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/statfs.h>
#include <sys/types.h>
#include <sys/poll.h>
#include <sys/wait.h>
/****************************************************************************
@ -980,14 +980,27 @@ static void fastboot_oem(FAR struct fastboot_ctx_s *ctx, FAR const char *arg)
static void fastboot_command_loop(FAR struct fastboot_ctx_s *ctx)
{
struct epoll_event ev[1];
int epfd;
if (ctx->left > 0)
{
struct pollfd fds[1];
epfd = epoll_create(1);
if (epfd < 0)
{
fb_err("open epoll failed %d", errno);
return;
}
fds[0].fd = ctx->tran_fd[0];
fds[0].events = POLLIN;
ev[0].events = EPOLLIN;
ev[0].data.ptr = ctx;
if (epoll_ctl(epfd, EPOLL_CTL_ADD, ctx->tran_fd[0], &ev[0]) < 0)
{
fb_err("err add poll %d", ctx->tran_fd[0]);
return;
}
if (poll(fds, 1, ctx->left) <= 0)
if (epoll_wait(epfd, ev, nitems(ev), ctx->left) <= 0)
{
return;
}