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WindowServer: Print the error when failing to open /dev/fb0
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1 changed files with 5 additions and 1 deletions
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@ -31,6 +31,7 @@
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#include "WSWindowManager.h"
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#include <Kernel/FB.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <sys/mman.h>
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#include <unistd.h>
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@ -47,7 +48,10 @@ WSScreen::WSScreen(unsigned desired_width, unsigned desired_height)
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ASSERT(!s_the);
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s_the = this;
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m_framebuffer_fd = open("/dev/fb0", O_RDWR | O_CLOEXEC);
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ASSERT(m_framebuffer_fd >= 0);
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if (m_framebuffer_fd < 0) {
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perror("failed to open /dev/fb0");
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ASSERT_NOT_REACHED();
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}
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if (fb_set_buffer(m_framebuffer_fd, 0) == 0) {
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m_can_set_buffer = true;
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