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comparison src/os/linux/vm/os_linux.cpp @ 12212:4472884d8b37

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6986195: correctly identify Ubuntu as the operating system in crash report instead of "Debian" Summary: Cleanup and document how various Linux release info files are used by print_distro_info(). Reviewed-by: dcubed, dsamersoff, coleenp, iklam, omajid Contributed-by: gerald.thornbrugh@oracle.com
author dcubed
date Mon, 16 Sep 2013 12:43:34 -0700
parents 2e6938dd68f2
children 06ae47d9d088
comparison
equal deleted inserted replaced
12211:2e6938dd68f2 12212:4472884d8b37
2167 2167
2168 os::Linux::print_full_memory_info(st); 2168 os::Linux::print_full_memory_info(st);
2169 } 2169 }
2170 2170
2171 // Try to identify popular distros. 2171 // Try to identify popular distros.
2172 // Most Linux distributions have /etc/XXX-release file, which contains 2172 // Most Linux distributions have a /etc/XXX-release file, which contains
2173 // the OS version string. Some have more than one /etc/XXX-release file 2173 // the OS version string. Newer Linux distributions have a /etc/lsb-release
2174 // (e.g. Mandrake has both /etc/mandrake-release and /etc/redhat-release.), 2174 // file that also contains the OS version string. Some have more than one
2175 // so the order is important. 2175 // /etc/XXX-release file (e.g. Mandrake has both /etc/mandrake-release and
2176 // /etc/redhat-release.), so the order is important.
2177 // Any Linux that is based on Redhat (i.e. Oracle, Mandrake, Sun JDS...) have
2178 // their own specific XXX-release file as well as a redhat-release file.
2179 // Because of this the XXX-release file needs to be searched for before the
2180 // redhat-release file.
2181 // Since Red Hat has a lsb-release file that is not very descriptive the
2182 // search for redhat-release needs to be before lsb-release.
2183 // Since the lsb-release file is the new standard it needs to be searched
2184 // before the older style release files.
2185 // Searching system-release (Red Hat) and os-release (other Linuxes) are a
2186 // next to last resort. The os-release file is a new standard that contains
2187 // distribution information and the system-release file seems to be an old
2188 // standard that has been replaced by the lsb-release and os-release files.
2189 // Searching for the debian_version file is the last resort. It contains
2190 // an informative string like "6.0.6" or "wheezy/sid". Because of this
2191 // "Debian " is printed before the contents of the debian_version file.
2176 void os::Linux::print_distro_info(outputStream* st) { 2192 void os::Linux::print_distro_info(outputStream* st) {
2177 if (!_print_ascii_file("/etc/mandrake-release", st) && 2193 if (!_print_ascii_file("/etc/oracle-release", st) &&
2178 !_print_ascii_file("/etc/sun-release", st) && 2194 !_print_ascii_file("/etc/mandriva-release", st) &&
2179 !_print_ascii_file("/etc/redhat-release", st) && 2195 !_print_ascii_file("/etc/mandrake-release", st) &&
2180 !_print_ascii_file("/etc/SuSE-release", st) && 2196 !_print_ascii_file("/etc/sun-release", st) &&
2181 !_print_ascii_file("/etc/turbolinux-release", st) && 2197 !_print_ascii_file("/etc/redhat-release", st) &&
2182 !_print_ascii_file("/etc/gentoo-release", st) && 2198 !_print_ascii_file("/etc/lsb-release", st) &&
2183 !_print_ascii_file("/etc/debian_version", st) && 2199 !_print_ascii_file("/etc/SuSE-release", st) &&
2184 !_print_ascii_file("/etc/ltib-release", st) && 2200 !_print_ascii_file("/etc/turbolinux-release", st) &&
2185 !_print_ascii_file("/etc/angstrom-version", st)) { 2201 !_print_ascii_file("/etc/gentoo-release", st) &&
2186 st->print("Linux"); 2202 !_print_ascii_file("/etc/ltib-release", st) &&
2187 } 2203 !_print_ascii_file("/etc/angstrom-version", st) &&
2188 st->cr(); 2204 !_print_ascii_file("/etc/system-release", st) &&
2205 !_print_ascii_file("/etc/os-release", st)) {
2206
2207 if (file_exists("/etc/debian_version")) {
2208 st->print("Debian ");
2209 _print_ascii_file("/etc/debian_version", st);
2210 } else {
2211 st->print("Linux");
2212 }
2213 }
2214 st->cr();
2189 } 2215 }
2190 2216
2191 void os::Linux::print_libversion_info(outputStream* st) { 2217 void os::Linux::print_libversion_info(outputStream* st) {
2192 // libc, pthread 2218 // libc, pthread
2193 st->print("libc:"); 2219 st->print("libc:");